Patent US4262823A successfully refreshed from Google Patents.
Patent US3419293A successfully refreshed from Google Patents.
US3419293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1967-03-06
•
Granted: 1968-12-31
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Expires: 1987-03-06
Abstract
No abstract record available.
Inventors
- 👤 Conrad Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:41
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/10; F16B7/14; F16B7/1427; F16M; F16M11/00; F16M11/20; F16M11/24; F16M11/26; F16M11/32; F16M2200/00; F16M2200/02; F16M2200/025; F16M2200/027; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7009; Y10T403/7011
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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |