US2555329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window or screen lock
Assignee: Individual
•
Filing: 1947-02-07
•
Granted: 1951-06-05
•
Expires: 1967-02-07
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:50
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/32; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1084; Y10T292/28; Y10T292/282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1860245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |