US2530330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding door lock
Assignee: KASON HARDWARE CORP
•
Filing: 1948-06-23
•
Granted: 1950-11-14
•
Expires: 1968-06-23
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Groeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:45
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; Y; Y10; Y10S; Y10S292/00; Y10S292/32; Y10S292/46; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0825; Y10T292/0826; Y10T292/0831; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL10625C
Cited
US1301789A
Cited
US1029748A
Cited
CH154112A
Cited
GB376475A
Cited
US2096980A
Cited
US2224671A
Cited
US2411941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |