Patent US2587018A successfully refreshed from Google Patents.
US2587018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus to record images of moving subjects
Assignee: Individual
•
Filing: 1946-03-05
•
Granted: 1952-02-26
•
Expires: 1966-03-05
Abstract
No abstract record available.
Inventors
- 👤 Max J Weisfeldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:40
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/08; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18544; Y10T74/19; Y10T74/19014; Y10T74/19535
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR341508A
Cited
US946800A
Cited
US1167247A
Cited
US1692364A
Cited
US1463446A
Cited
US1602499A
Cited
US1982322A
Cited
GB321288A
Cited
US1747664A
Cited
US1856432A
Cited
FR752856A
Cited
US2382616A
Cited
US2306862A
Cited
US2348841A
Cited
US2420197A
Cited
US2408528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |