Patent US5673385A successfully refreshed from Google Patents.
Patent US3303787A successfully refreshed from Google Patents.
US3303787A
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Assignee: Individual
•
Filing: 1965-03-04
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Granted: 1967-02-14
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Expires: 1985-03-04
Abstract
No abstract record available.
Inventors
- 👤 Inman Fred Waldo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:54
CPC Classifications
F; F04; F04B; F04B17/00; F04B17/03; F04B17/04; F04B17/046; F02; F02M; F02M37/00; F02M37/04; F02M37/08
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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |