US2825112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tension releasable fastening device
Assignee: FRIEDER
•
Filing: 1953-01-06
•
Granted: 1958-03-04
•
Expires: 1973-01-06
Abstract
No abstract record available.
Inventors
- 👤 Leonard P Frieder
- 👤 Walter S Finken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:08
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/08; F; F16; F16B; F16B45/00; F16B45/04; F16B45/049; F16B45/051; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45461; Y10T24/45602; Y10T24/45723; Y10T24/45743
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE269081C
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US311941A
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US703713A
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US874162A
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US1269651A
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US1438264A
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GB465686A
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US2530518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |