US3453014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding door lock
Assignee: Individual
•
Filing: 1968-01-30
•
Granted: 1969-07-01
•
Expires: 1988-01-30
Abstract
No abstract record available.
Inventors
- 👤 Leonard E Johnson Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:01
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0926; Y10T292/0928; Y10T292/093; Y10T292/0933; Y10T292/0945; Y10T292/0947
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3182928A
Cited
US2545645A
Cited
US2793061A
Cited
US3121319A
Cited
US3044287A
Cited
US3090643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |