US3464474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener with spring biased lock
Assignee: HARRY B JANSEN
•
Filing: 1968-01-29
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Granted: 1969-09-02
•
Expires: 1988-01-29
Abstract
No abstract record available.
Inventors
- 👤 Harry B Jansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:11
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; F16B39/04; F16B39/08; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/926; Y10S411/929; Y10S411/94; Y10S411/945; Y10S411/946
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US613035A
Cited
US647435A
Cited
US1187713A
Cited
US1191955A
Cited
US1235864A
Cited
FR696434A
Cited
GB562445A
Cited
CH351455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |