US2611633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner construction for metal doors and the like
Assignee: ALUMINUM AIR SEAL Manufacturing Co
•
Filing: 1950-02-11
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Granted: 1952-09-23
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Expires: 1970-02-11
Abstract
No abstract record available.
Inventors
- 👤 Clifford L Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:36
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/18; E; E06; E06B; E06B3/00; E06B3/70; E06B3/72; E06B3/725; E06B3/726; E06B3/96; E06B3/964; E06B3/9642; F16B2200/00; F16B2200/40; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10T; Y10T403/00; Y10T403/46; Y10T403/4602
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US973144A
Cited
US1460928A
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US2018250A
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US2114617A
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US2242427A
Cited
GB561627A
Cited
US2477997A
Cited
US2557766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |