US2886183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide-tilt tray filing system
Assignee: SEDGWICK MACHINE WORKS Inc
•
Filing: 1956-11-14
•
Granted: 1959-05-12
•
Expires: 1976-11-14
Abstract
No abstract record available.
Inventors
- 👤 Crosby Peter Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:47
CPC Classifications
B; B42; B42F; B42F17/00; B42F17/02; A; A47; A47B; A47B63/00; A47B63/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US409730A
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US476770A
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US741434A
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US1004281A
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US1060020A
Cited
FR672029A
Cited
FR707443A
Cited
US1990046A
Cited
US2493281A
Cited
US2647027A
Cited
US2778560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |