US2665781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic door construction
Assignee: Admiral Corp
•
Filing: 1949-01-12
•
Granted: 1954-01-12
•
Expires: 1969-01-12
Abstract
No abstract record available.
Inventors
- 👤 Stewart S Battles
- 👤 Louis H Moos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:30
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/70; E06B3/82; E06B3/827
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1247250A
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US1898417A
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US2010520A
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US2142438A
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US2253384A
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US2196781A
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US2335329A
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US2297609A
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US2391436A
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US2556099A
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US2579157A
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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) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |