Patent US2611932A successfully refreshed from Google Patents.
US2611932A
Expired / Lapsed
US
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Door frame mounting
Assignee: Individual
•
Filing: 1945-11-16
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Granted: 1952-09-30
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Expires: 1965-11-16
Abstract
No abstract record available.
Inventors
- 👤 Olssan Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:21
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/0007; E04F21/0015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1298970A
Cited
US1390189A
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US1687536A
Cited
US1895358A
Cited
DE593189C
Cited
US2191123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |