US1769988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronizing apparatus
Assignee: Individual
•
Filing: 1927-02-05
•
Granted: 1930-07-08
•
Expires: 1947-02-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:28
CPC Classifications
G; G04; G04D; G04D7/00; G04D7/12; G04D7/1207; G04D7/1235; G04D7/125
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1933-07-07 | 1934-01-06 | 1934-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-07-07 | 1938-01-06 | 1938-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-07-07 | 1942-01-06 | 1942-07-08 | $7700.00 | Window Closed / Lapsed |