US2853751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Link lock fastener
Assignee: Simmons Fastener Corp
•
Filing: 1952-02-05
•
Granted: 1958-09-30
•
Expires: 1972-02-05
Abstract
No abstract record available.
Inventors
- 👤 Schlueter Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:09
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/6116; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; E05B65/0817; E05C; E05C19/00; E05C19/10; E05C19/105; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US212431A
Cited
GB190008279A
Cited
US1030073A
Cited
US1503622A
Cited
US1517995A
Cited
FR728543A
Cited
FR740930A
Cited
US2378654A
Cited
US2486686A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |