US2635808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counter mechanism
Assignee: —
•
Filing: —
•
Granted: 1953-04-21
•
Expires: 1970-04-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:37
CPC Classifications
G; G06; G06C; G06C7/00; G06C7/02; G06C7/08; G06C21/00; G06C21/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1349049A
Cited
US1566650A
Cited
US2289055A
Cited
US2327981A
Cited
US2403273A
Cited
US2531089A
Cited
US935565A
Cited
US1910738A
Cited
US2136694A
Cited
US2255622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |