US2714033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device for windows
Assignee: Individual
•
Filing: 1952-02-23
•
Granted: 1955-07-26
•
Expires: 1972-02-23
Abstract
No abstract record available.
Inventors
- 👤 Lawrence P Lewgowd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:14
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/04; E05D13/06; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148; Y; Y10; Y10S; Y10S292/00; Y10S292/20; Y10T; Y10T292/00; Y10T292/28; Y10T292/302; Y10T292/45; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5146; Y10T70/515
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US115260A
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US344888A
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US386938A
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US436841A
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US627096A
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US645213A
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US2018346A
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US2553459A
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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) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |