Patent US2284358A successfully refreshed from Google Patents.
Patent US3493002A successfully refreshed from Google Patents.
US3493002A
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Coupling apparatus
Assignee: Old Carco LLC
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Filing: 1967-12-11
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Granted: 1970-02-03
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Expires: 1987-12-11
Abstract
No abstract record available.
Inventors
- 👤 Richard L Brugler
- 👤 Robert L Kiefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:07
CPC Classifications
F; F16; F16K; F16K13/00; F16K13/04; F16L; F16L41/00; F16L41/08; F16L41/082; F16L41/084; F16L55/00; F16L55/16; F16L55/1604; F25; F25B; F25B41/00; F25B41/40; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/1812; Y10T137/8593; Y10T137/86928; Y10T137/86936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |