Patent US2621709A successfully refreshed from Google Patents.
US2621709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable theater chair
Assignee: GAUMONT KALEE SEATING Ltd
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Filing: 1948-04-30
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Granted: 1952-12-16
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Expires: 1968-04-30
Abstract
No abstract record available.
Inventors
- 👤 Bell Charles Hugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:25
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/56; A47C7/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US631369A
Cited
US931821A
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US1681543A
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FR699691A
Cited
US1810888A
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FR726170A
Cited
US2036529A
Cited
US2090376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |