US3384058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overhead camshaft engine
Assignee: Brunswick Corp
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Filing: 1967-04-21
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Granted: 1968-05-21
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Expires: 1987-04-21
Abstract
No abstract record available.
Inventors
- 👤 Kiekhaefer Elmer Carl
- 👤 Knuth Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:14
CPC Classifications
F; F02; F02B; F02B61/00; F02B61/04; F02B61/045; F01; F01L; F01L1/00; F01L1/02; F01L1/04; F01L1/047; F01L1/053; F01L1/0532; F02B73/00; F02B75/00; F02B75/02; F02B2075/022; F02B2075/027; F02B75/16; F02B75/18; F02B2075/1804; F02B2075/1808; F02B2275/00; F02B2275/20
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) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |