US3171245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dashpot timer
Assignee: Breed Corp
•
Filing: 1963-02-25
•
Granted: 1965-03-02
•
Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Allen K Breed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:18
CPC Classifications
H; H01; H01H; H01H7/00; H01H7/02; F; F42; F42C; F42C15/00; F42C15/28; F42C15/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A DASHPOT TIMER OF THE CLASS DESCRIBED COMPRISING A CYLINDER HAVING AN INTERIOR GLASS WALL AND HERMETICALLY SEALED AT BOTH ENDS, A PISTON HAVING AN EXTERIOR GLASS WALL AND SLIDABLY DISPOSED IN SAID CYLINDER, THE EXTERIOR GLASS WALL OF SAID PISTON BEING SUBSTANTIALLY CYLINDRICAL, AND AN INERT GASEOUS MEDIUM COMPLETELY FILLING THE SEALED INTERIOR OF SAID CYLINDER.
Claim 2
Dependent Claim
57 words
A DASHPOT TIMER OF THE CLASS DESCRIBED COMPRISING A CYLINDER HAVING AN INTERIOR GLASS WALL AND HERMETICALLY SEALED AT BOTH ENDS, A PISTON HAVING AN EXTERIOR GLASS WALL AND SLIDABLY DISPOSED IN SAID CYLINDER, THE EXTERIOR GLASS WALL OF SAID PISTON BEING SUBSTANTIALLY CYLINDRICAL, AND AN INERT GASEOUS MEDIUM COMPLETELY FILLING THE SEALED INTERIOR OF SAID CYLINDER.
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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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |