US2800808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Index mechanism
Assignee: Oak Manufacturing Co
•
Filing: 1953-03-18
•
Granted: 1957-07-30
•
Expires: 1973-03-18
Abstract
No abstract record available.
Inventors
- 👤 Norman D Cappelle
- 👤 Robert R English
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:24
CPC Classifications
G; G05; G05G; G05G5/00; G05G5/12; G05G5/20; G05G5/24; H; H01; H01H; H01H19/00; H01H19/02; H01H19/10; H01H19/11; H03; H03J; H03J5/00; H03J5/02; H03J5/04; H03J5/06; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/21; Y10T74/2101; Y10T74/2102
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |