US2138784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw and nut mechanism
Assignee: WIDE WORLD PHOTOS Inc
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Filing: 1937-05-04
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Granted: 1938-11-29
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Expires: 1957-05-04
Abstract
No abstract record available.
Inventors
- 👤 Austin G Cooley
- 👤 Jr Garett Vander Ve Dillenback
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:00
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/06; H04N1/0664; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19735; Y10T74/19805; Y10T74/19809
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-11-28 | 1942-05-30 | 1942-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-28 | 1946-05-30 | 1946-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-28 | 1950-05-30 | 1950-11-29 | $7700.00 | Window Closed / Lapsed |