US1577982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gearing
Assignee: DAVIS SEWING MACHINE Co
•
Filing: 1921-12-12
•
Granted: 1926-03-23
•
Expires: 1941-12-12
Abstract
No abstract record available.
Inventors
- 👤 John W Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:22
CPC Classifications
D; D06; D06F; D06F27/00; D06F37/00; D06F37/30; D06F37/36; D06F21/00; D06F37/40; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18184; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2146; Y10T74/2173; Y10T74/2179; Y10T74/218
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) | 1929-03-22 | 1929-09-21 | 1930-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-03-22 | 1933-09-21 | 1934-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-03-22 | 1937-09-21 | 1938-03-23 | $7700.00 | Window Closed / Lapsed |