US2991992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time delay device
Assignee: Eaton Aeroquip LLC
•
Filing: 1960-04-11
•
Granted: 1961-07-11
•
Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Elsner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:59
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/10; F16; F16F; F16F9/00; F16F9/06; F16F9/08
Claims Analysis
Total Claims: 0
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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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |