US3377446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing mechanism
Assignee: HARRY SHAFTER DAVIS
•
Filing: 1966-05-23
•
Granted: 1968-04-09
•
Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Davis Harry Shafter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:38
CPC Classifications
G; G04; G04C; G04C23/00; G04C23/14; G04C23/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN A TIMING MECHANISM, IN COMBINATION: A ROTATING TIMING DIAL HAVING AN AXIS OF ROTATION, A SERIES OF AXIALLY EXTENDING SLOTS SPACED AROUND THE PERIPHERY OF SAID DIAL, AND A SERIES OF AXIALLY EXTENDING APERTURES SPACED IN A CIRCLE CONCENTRICALLY OF SAID AXIS OF ROTATION AND DISPOSED INWARDLY FROM THE PERIPHERY OF SAID DIAL, SAID APERTURES BEING EQUAL IN NUMBER WITH SAID SLOTS AND DISPOSED ALONG CORRESPONDING RADIAL LINES; A PLURALITY OF U-
Claim 2
Dependent Claim
73 words
IN A TIMING MECHANISM, IN COMBINATION: A ROTATING TIMING DIAL HAVING AN AXIS OF ROTATION, A SERIES OF AXIALLY EXTENDING SLOTS SPACED AROUND THE PERIPHERY OF SAID DIAL, AND A SERIES OF AXIALLY EXTENDING APERTURES SPACED IN A CIRCLE CONCENTRICALLY OF SAID AXIS OF ROTATION AND DISPOSED INWARDLY FROM THE PERIPHERY OF SAID DIAL, SAID APERTURES BEING EQUAL IN NUMBER WITH SAID SLOTS AND DISPOSED ALONG CORRESPONDING RADIAL LINES; A PLURALITY OF U-
References Cited (Backward Citations)
US1882495A
Cited
US3305649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |