US2911037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal slat folding door
Assignee: Acme Steel Co
•
Filing: 1953-10-27
•
Granted: 1959-11-03
•
Expires: 1973-10-27
Abstract
No abstract record available.
Inventors
- 👤 Allen B Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:06
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/481
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US835701A
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US1632219A
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US2002171A
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US2153575A
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US2228110A
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US2092582A
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US2156683A
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US2677420A
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US2748850A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |