US3216273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmitting means
Assignee: Individual
•
Filing: 1963-05-08
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Granted: 1965-11-09
•
Expires: 1983-05-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry G Colmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:40
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/08; F16H2055/0893; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19884; Y10T74/19949
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
POWER TRANSMITTING MEANS COMPRISING, A CIRCULAR BODY HAVING AN ANNULAR WORKING FACE, RAISED DRIVING ELEMENTS ON THE WORKING FACE, THE ELEMENTS BEING OPPOSITELY ARRANGED ON OPPOSITE SIDES OF THE LONGITUDINAL CENTER LINE OF THE ANNULAR WORKING FACE, EACH DRIVING ELEMENT EXTENDING FROM ADJACENT THE LONGITUDINAL CENTER LINE OF THE WORKING FACE SPIRALLY TO THE SIDE EDGE AND LYING AT A SMALL ANGLE TO THE SIDE EDGE OF THE WORKING FACE.
Claim 2
Dependent Claim
70 words
POWER TRANSMITTING MEANS COMPRISING, A CIRCULAR BODY HAVING AN ANNULAR WORKING FACE, RAISED DRIVING ELEMENTS ON THE WORKING FACE, THE ELEMENTS BEING OPPOSITELY ARRANGED ON OPPOSITE SIDES OF THE LONGITUDINAL CENTER LINE OF THE ANNULAR WORKING FACE, EACH DRIVING ELEMENT EXTENDING FROM ADJACENT THE LONGITUDINAL CENTER LINE OF THE WORKING FACE SPIRALLY TO THE SIDE EDGE AND LYING AT A SMALL ANGLE TO THE SIDE EDGE OF THE WORKING FACE.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |