Patent US1112498A successfully refreshed from Google Patents.
US2554329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote-control apparatus
Assignee: HAMMOND INSTR CO
•
Filing: 1944-07-20
•
Granted: 1951-05-22
•
Expires: 1964-07-20
Abstract
No abstract record available.
Inventors
- 👤 Hammond Laurens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:23
CPC Classifications
G; G08; G08C; G08C19/00; G08C19/12; G08C19/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1514699A
Cited
US1597416A
Cited
US1972682A
Cited
US1988614A
Cited
US2173154A
Cited
US2160073A
Cited
US2129740A
Cited
US2156809A
Cited
US2165800A
Cited
GB509866A
Cited
US2332536A
Cited
US2397088A
Cited
US2388576A
Cited
US2356364A
Cited
US2420868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |