US2627632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door construction
Assignee: Detroit Steel Products Co Inc
•
Filing: 1949-04-04
•
Granted: 1953-02-10
•
Expires: 1969-04-04
Abstract
No abstract record available.
Inventors
- 👤 Clyde W Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:45
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/70; E06B3/72; E06B3/725; E06B3/726; E06B3/728; E06B3/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US811072A
Cited
US997677A
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US1240193A
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US1282710A
Cited
US1987498A
Cited
US2043174A
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US2104430A
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US2322700A
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US2351127A
Cited
US2445428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |