US3474884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extended oil filler tube
Assignee: Briggs and Stratton Corp
•
Filing: 1968-03-14
•
Granted: 1969-10-28
•
Expires: 1988-03-14
Abstract
No abstract record available.
Inventors
- 👤 Daniel E Braun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:47
CPC Classifications
F; F16; F16N; F16N19/00; F16N19/003; F01; F01M; F01M11/00; F01M11/04; F01M2011/0491
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1354788A
Cited
US2032800A
Cited
USRE26422E
Cited
US2375096A
Cited
US3262602A
Cited
US3371418A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |