US3105675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw connector for barges or the like
Assignee: Individual
•
Filing: 1961-07-11
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Granted: 1963-10-01
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Expires: 1981-07-11
Abstract
No abstract record available.
Inventors
- 👤 Walter L Blackburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:23
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/56; B63B21/62; Y; Y10; Y10T; Y10T403/00; Y10T403/29; Y10T403/293; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19293; Y10T74/19298; Y10T74/19307
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A SCREW CONNECTOR FOR BARGES OR THE LIKE, A HOUSING, A BODY ROTATABLY MOUNTED IN SAID HOUSING, A PAIR OF OPPOSITELY THREADED SCREWS THREADABLY ENGAGEABLE WITH SAID BODY, ONE OF SAID SCREWS TELESCOPABLE INTO THE OTHER OF SAID SCREWS, A CRANK SHAFT JOURNALED IN SAID HOUSING, AN IDLER SHAFT ROTATABLY MOUNTED IN SAID HOUSING, CHAIN AND SPROCKET MEANS ROTATABLY INTERCONNECTING SAID IDLER SHAFT AND SAID BODY, SPEED CHANGING GEARING MEANS ROTATABLY INTERCONNECTING SAID CRANK SHAFT AND SAID IDLER SHAFT, AND ROTATING MEANS OPERATIVELY CONNECTED TO SAID CRANK SHAFT.
Claim 2
Dependent Claim
89 words
IN A SCREW CONNECTOR FOR BARGES OR THE LIKE, A HOUSING, A BODY ROTATABLY MOUNTED IN SAID HOUSING, A PAIR OF OPPOSITELY THREADED SCREWS THREADABLY ENGAGEABLE WITH SAID BODY, ONE OF SAID SCREWS TELESCOPABLE INTO THE OTHER OF SAID SCREWS, A CRANK SHAFT JOURNALED IN SAID HOUSING, AN IDLER SHAFT ROTATABLY MOUNTED IN SAID HOUSING, CHAIN AND SPROCKET MEANS ROTATABLY INTERCONNECTING SAID IDLER SHAFT AND SAID BODY, SPEED CHANGING GEARING MEANS ROTATABLY INTERCONNECTING SAID CRANK SHAFT AND SAID IDLER SHAFT, AND ROTATING MEANS OPERATIVELY CONNECTED TO SAID CRANK SHAFT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |