US3604136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shotgun counterbalance
Assignee: Individual
•
Filing: 1968-09-05
•
Granted: 1971-09-14
•
Expires: 1988-09-05
Abstract
Abstract A counterbalance for use in shotguns of all types mountable within a compartment below the barrel and having a threaded shaft and at least one weight engaged upon said shaft for selected disposition axially thereof so as to compensate for any imbalance.
Inventors
- 👤 Jesse B Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:14
CPC Classifications
F; F41; F41C; F41C27/00; F41C27/22
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
99 words
The combination of a shotgun having a barrel, a receiver attached to said barrel, a stock attached to said receiver, means defining a chamber beneath said barrel extending from a point adjacent said receiver to a point spaced from the outer extremity of said barrel, and of a counterbalance comprising: a. a threaded shaft disposed axially within said chamber; b. a plug provided in said chamber at the end remote from said receiver, the adjacent end of said shaft being secured to said plug; c. an end cap member provided in said chamber at the end proximate said receiver;
Claim 2
Dependent Claim
99 words
The combination of a shotgun having a barrel, a receiver attached to said barrel, a stock attached to said receiver, means defining a chamber beneath said barrel extending from a point adjacent said receiver to a point spaced from the outer extremity of said barrel, and of a counterbalance comprising: a. a threaded shaft disposed axially within said chamber; b. a plug provided in said chamber at the end remote from said receiver, the adjacent end of said shaft being secured to said plug; c. an end cap member provided in said chamber at the end proximate said receiver;
Claim 3
Dependent Claim
11 words
Said end cap member having a peripheral rim adjacent said receiver;
Claim 4
Dependent Claim
11 words
Said end cap member having a peripheral rim adjacent said receiver;
Claim 5
Dependent Claim
26 words
Said chamber having a groove for receiving said end cap rim for restraining said end cap member against movement within said chamber away from said receiver;
Claim 6
Dependent Claim
26 words
Said chamber having a groove for receiving said end cap rim for restraining said end cap member against movement within said chamber away from said receiver;
Claim 7
Dependent Claim
9 words
Said end cap member having an axially threaded bore;
Claim 8
Dependent Claim
9 words
Said end cap member having an axially threaded bore;
Claim 9
Dependent Claim
67 words
Said shaft being threadedly received within said bore to a preselected point for securing said shaft to said end cap member at its end proximate said receiver; d. At least two weight bodies threadedly engaged on said shaft for selective relative positioning therealong; said weight bodies being optionally of different size and weights; e. And means for maintaining said weights in relative selected disposition on said shaft.
Claim 10
Dependent Claim
67 words
Said shaft being threadedly received within said bore to a preselected point for securing said shaft to said end cap member at its end proximate said receiver; d. At least two weight bodies threadedly engaged on said shaft for selective relative positioning therealong; said weight bodies being optionally of different size and weights; e. And means for maintaining said weights in relative selected disposition on said shaft.
Claim 11
Dependent Claim
26 words
Said chamber having a groove for receiving said end cap rim for restraining said end cap member against movement within said chamber away from said receiver;
Claim 12
Dependent Claim
26 words
Said chamber having a groove for receiving said end cap rim for restraining said end cap member against movement within said chamber away from said receiver;
Claim 13
Dependent Claim
9 words
Said end cap member having an axially threaded bore;
Claim 14
Dependent Claim
9 words
Said end cap member having an axially threaded bore;
Claim 15
Dependent Claim
67 words
Said shaft being threadedly received within said bore to a preselected point for securing said shaft to said end cap member at its end proximate said receiver; d. At least two weight bodies threadedly engaged on said shaft for selective relative positioning therealong; said weight bodies being optionally of different size and weights; e. And means for maintaining said weights in relative selected disposition on said shaft.
Claim 16
Dependent Claim
67 words
Said shaft being threadedly received within said bore to a preselected point for securing said shaft to said end cap member at its end proximate said receiver; d. At least two weight bodies threadedly engaged on said shaft for selective relative positioning therealong; said weight bodies being optionally of different size and weights; e. And means for maintaining said weights in relative selected disposition on said shaft.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-13 | 1975-03-15 | 1975-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-13 | 1979-03-15 | 1979-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-13 | 1983-03-15 | 1983-09-14 | $7700.00 | Window Closed / Lapsed |