US2704807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panoramic devices
Assignee: WALLACE
•
Filing: 1946-05-07
•
Granted: 1955-03-22
•
Expires: 1966-05-07
Abstract
No abstract record available.
Inventors
- 👤 Wallace Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:45
CPC Classifications
H; H03; H03J; H03J7/00; H03J7/18; H03J7/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1604610A
Cited
US1831881A
Cited
US2094472A
Cited
US2189848A
Cited
US2215197A
Cited
US2194516A
Cited
US2304635A
Cited
US2361437A
Cited
US2269126A
Cited
US2409462A
Cited
US2404501A
Cited
US2369011A
Cited
US2416346A
Cited
US2408742A
Cited
US2354032A
Cited
US2406858A
Cited
US2433804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-21 | 1958-09-20 | 1959-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-21 | 1962-09-20 | 1963-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-21 | 1966-09-20 | 1967-03-22 | $7700.00 | Window Closed / Lapsed |