Patent US3907612A successfully refreshed from Google Patents.
Patent US3227825A successfully refreshed from Google Patents.
US3227825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Viscous retarded timer and flagman
Assignee: Eldon Industries Inc
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Filing: 1963-09-03
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Granted: 1966-01-04
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Expires: 1983-09-03
Abstract
No abstract record available.
Inventors
- 👤 Eric V Pullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:32
CPC Classifications
A; A63; A63H; A63H13/00; A63H13/02; A63H13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN A TIMER MECHANISM, A FIRST SUBSTANTIALLY PLANAR FACE AND A SECOND SUBSTANTIALLY PLANAR FACE, SAID FIRST AND SAID SECOND SUBSTANTIALLY PLANAR FACES FACING EACH OTHER, A SPRING CONNECTED BETWEEN SAID FIRST AND SAID SECOND PLANAR FACES TO URGE ONE OF SAID PLANAR FACES WITH RESPECT TO THE OTHER OF SAID PLANAR FACES IN A DIRECTION SUBSTANTIALLY PARALLEL TO SAID SUBSTANTIALLY PLANAR FACES, SAID SPRING MEANS BEING FORMED SO THAT THE FORCE OF SAID SPRING URGING SAID ONE OF SAID FACES WITH RESPECT TO SAID OTHER OF SAID FACES DECREASES AS SAID ONE OF SAID FACES MOVES WITH RESPECT TO SAID OTHER OF SAID FACES, A VISCOUS MATERIAL LOCATED BETWEEN SAID SUBSTANTIALLY PLANAR FACES, SAID MATERIAL ABSORBING ENERGY WHEN ONE OF SAID FACES MOVES WITH RESPECT TO THE OTHER OF SAID FACES, AND SAID FIRST AND SAID SECOND FACES HAVING RECESSED AREAS FOR REDUCING THE SURFACE BETWEEN SAID FACES WHEREIN SHEAR OF SAID VISCOUS MATERIAL OCCURS.
Claim 2
Dependent Claim
156 words
IN A TIMER MECHANISM, A FIRST SUBSTANTIALLY PLANAR FACE AND A SECOND SUBSTANTIALLY PLANAR FACE, SAID FIRST AND SAID SECOND SUBSTANTIALLY PLANAR FACES FACING EACH OTHER, A SPRING CONNECTED BETWEEN SAID FIRST AND SAID SECOND PLANAR FACES TO URGE ONE OF SAID PLANAR FACES WITH RESPECT TO THE OTHER OF SAID PLANAR FACES IN A DIRECTION SUBSTANTIALLY PARALLEL TO SAID SUBSTANTIALLY PLANAR FACES, SAID SPRING MEANS BEING FORMED SO THAT THE FORCE OF SAID SPRING URGING SAID ONE OF SAID FACES WITH RESPECT TO SAID OTHER OF SAID FACES DECREASES AS SAID ONE OF SAID FACES MOVES WITH RESPECT TO SAID OTHER OF SAID FACES, A VISCOUS MATERIAL LOCATED BETWEEN SAID SUBSTANTIALLY PLANAR FACES, SAID MATERIAL ABSORBING ENERGY WHEN ONE OF SAID FACES MOVES WITH RESPECT TO THE OTHER OF SAID FACES, AND SAID FIRST AND SAID SECOND FACES HAVING RECESSED AREAS FOR REDUCING THE SURFACE BETWEEN SAID FACES WHEREIN SHEAR OF SAID VISCOUS MATERIAL OCCURS.
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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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |