US3544053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support washer
Assignee: RAWSON V INGALLS
•
Filing: 1968-08-13
•
Granted: 1970-12-01
•
Expires: 1988-08-13
Abstract
No abstract record available.
Inventors
- 👤 Rawson V Ingalls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:34
CPC Classifications
G; G09; G09F; G09F7/00; G09F7/18; F; F16; F16B; F16B43/00; F16B5/00; F16B5/02; Y; Y10; Y10S; Y10S248/00; Y10S248/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |