US2961989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timer switch
Assignee: MH Rhodes Inc
•
Filing: 1956-06-13
•
Granted: 1960-11-29
•
Expires: 1976-06-13
Abstract
No abstract record available.
Inventors
- 👤 Lawrence J Laviana
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:20
CPC Classifications
G; G04; G04F; G04F3/00; G04F3/02; G04F3/027
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US801306A
Cited
US2315266A
Cited
US2088499A
Cited
US2274635A
Cited
US2398007A
Cited
US2577004A
Cited
US2689006A
Cited
US2671191A
Cited
US2852072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |