Patent US3129507A successfully refreshed from Google Patents.
US3129507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orbital dry shaver and cutting head therefor
Assignee: Individual
•
Filing: 1960-02-29
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Granted: 1964-04-21
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Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Tweedale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:54
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A SELF SUPPORTING REMOVABLE CUTTING HEAD FOR AN ELECTRIC SHAVER HAVING A ROTARY DRIVING MEANS FOR THE HEAD COMPRISING AN OBLONG FRAME AND A PAIR OF BEARINGS SPACED APART ALONG THE LONGITUDINAL MID-LINE OF THE FRAME, A SUBSTANTIALLY FLAT GUARD PLATE SECURED TO THE FRAME, A MATING CUTTER PLATE SLIDABLE ALONG THE GUARD PLATE, AND A PAIR OF CRANKS ROTATABLE IN SAID BEARINGS AND CONNECTED TO IMPART ORBITAL MOTION TO THE CUTTER PLATE AND AT THE SAME TIME HOLD THE CUTTER PLATE IN ASSOCIATION WITH THE GUARD, AND MEANS FORMING A DRIVING CONNECTION FOR EACH CRANK.
Claim 2
Dependent Claim
96 words
A SELF SUPPORTING REMOVABLE CUTTING HEAD FOR AN ELECTRIC SHAVER HAVING A ROTARY DRIVING MEANS FOR THE HEAD COMPRISING AN OBLONG FRAME AND A PAIR OF BEARINGS SPACED APART ALONG THE LONGITUDINAL MID-LINE OF THE FRAME, A SUBSTANTIALLY FLAT GUARD PLATE SECURED TO THE FRAME, A MATING CUTTER PLATE SLIDABLE ALONG THE GUARD PLATE, AND A PAIR OF CRANKS ROTATABLE IN SAID BEARINGS AND CONNECTED TO IMPART ORBITAL MOTION TO THE CUTTER PLATE AND AT THE SAME TIME HOLD THE CUTTER PLATE IN ASSOCIATION WITH THE GUARD, AND MEANS FORMING A DRIVING CONNECTION FOR EACH CRANK.
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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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |