Patent US2842200A successfully refreshed from Google Patents.
US2842200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing device
Assignee: —
•
Filing: —
•
Granted: 1958-07-08
•
Expires: 1975-07-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:48
CPC Classifications
G; G04; G04F; G04F3/00; G04F3/06; Y; Y10; Y10T; Y10T74/00; Y10T74/11; Y10T74/114; Y10T74/115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2539185A
Cited
US1795013A
Cited
US1794067A
Cited
US2436735A
Cited
US2502180A
Cited
US2624269A
Cited
US2622677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |