US2937839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curved telescoping slide
Assignee: Avco Manufacturing Corp
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Filing: 1958-08-14
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Granted: 1960-05-24
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Expires: 1978-08-14
Abstract
No abstract record available.
Inventors
- 👤 William E Randolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:48
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/02; F16M11/04; F16M11/043; A; A47; A47B; A47B17/00; A47B17/03; A47B17/036; B; B42; B42F; B42F15/00; B42F15/06; F16B; F16B7/00; F16B7/10; F16B7/14; F16B7/1454; F16M11/06; F16M11/10; F16M13/00; F16M13/02; F16M2200/00; F16M2200/02
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |