US2995396A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractor roller structure for door locks
Assignee: Individual
•
Filing: 1959-03-02
•
Granted: 1961-08-08
•
Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 Fred J Russell
- 👤 Franz J Netschert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:10
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0989; Y10T292/099; Y10T292/57; Y10T292/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US604951A
Cited
US2733088A
Cited
GB190903225A
Cited
US2297077A
Cited
US2751244A
Cited
US2747907A
Cited
US2800351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |