US2500135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Theater chairs having tip-up seats
Assignee: American Seating Co
•
Filing: 1946-06-15
•
Granted: 1950-03-07
•
Expires: 1966-06-15
Abstract
No abstract record available.
Inventors
- 👤 Walter E Nordmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:32
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/56; A47C7/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US188186A
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US381348A
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US1816486A
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US787337A
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US1165654A
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US1290557A
Cited
US1797201A
Cited
US1775433A
Cited
US1887240A
Cited
CH167456A
Cited
US2201450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |