Patent US2496737A successfully refreshed from Google Patents.
US2496737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flush type door handle
Assignee: Individual
•
Filing: 1947-09-04
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Granted: 1950-02-07
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Expires: 1967-09-04
Abstract
No abstract record available.
Inventors
- 👤 William P Mccallick
- 👤 Ygnacio L Sanchez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:15
CPC Classifications
E; E05; E05B; E05B5/00; E05B5/003; Y; Y10; Y10S; Y10S292/00; Y10S292/31; Y10S292/37; Y10T; Y10T292/00; Y10T292/03; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5757; Y10T70/5761
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2120647A
Cited
US2177672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |