US2441687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copy camera carriage supporting structure
Assignee: Individual
•
Filing: 1944-12-01
•
Granted: 1948-05-18
•
Expires: 1964-12-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Crockett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:01
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/323
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US547855A
Cited
US1033404A
Cited
US1452077A
Cited
US1748798A
Cited
US1991818A
Cited
US2150974A
Cited
US2246502A
Cited
US2306885A
Cited
US2262288A
Cited
US2289121A
Cited
US2356960A
Cited
US2406770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |