US3526358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Value entering mechanism
Assignee: Singer Co
•
Filing: 1968-04-29
•
Granted: 1970-09-01
•
Expires: 1988-04-29
Abstract
No abstract record available.
Inventors
- 👤 John F Reus
- 👤 George C Wu Newark
- 👤 Nathaniel F Hawthorne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:59
CPC Classifications
G; G07; G07B; G07B17/00; G07B17/00185; G07B17/00362; G06; G06C; G06C7/00; G06C7/02; G07B17/00193; G07B2017/00266; G07B2017/00274
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1900103A
Cited
US2052485A
Cited
US2451090A
Cited
US2715498A
Cited
US1810399A
Cited
US3024988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |