US2590518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kinetic stop motion device
Assignee: EIDP Inc
•
Filing: 1948-04-02
•
Granted: 1952-03-25
•
Expires: 1968-04-02
Abstract
No abstract record available.
Inventors
- 👤 Duncan William Lankford
- 👤 Jr Ernest Lee Griggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:33
CPC Classifications
B; B65; B65H; B65H63/00; B65H63/02; B65H63/024; B65H63/028; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1410308A
Cited
US1985930A
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US2159243A
Cited
US2524520A
Cited
US2482443A
Cited
US2487187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |