US2636282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doorframe setting gauge
Assignee: Individual
•
Filing: 1950-02-14
•
Granted: 1953-04-28
•
Expires: 1970-02-14
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Kronquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:38
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/0007; E04F21/0015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US311386A
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US1687532A
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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) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |