Patent US3087706A successfully refreshed from Google Patents.
US3087706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring compressor
Assignee: Individual
•
Filing: 1960-12-01
•
Granted: 1963-04-30
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Expires: 1980-12-01
Abstract
No abstract record available.
Inventors
- 👤 Wilt Wien Arthur Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:12
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/30; B25B27/302; B25B27/304; B60; B60G; B60G2206/00; B60G2206/01; B60G2206/90; B60G2206/92; B60G2206/921; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53552; Y10T29/53561; Y10T29/5357
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US775355A
Cited
US1285517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |