Patent US3498280A successfully refreshed from Google Patents.
US3498280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain saw with carburetor heater
Assignee: Mcculloch Corp
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Filing: 1968-07-15
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Granted: 1970-03-03
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Expires: 1988-07-15
Abstract
No abstract record available.
Inventors
- 👤 John Louis Zimmerer
- 👤 James Franklin West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:34
CPC Classifications
F; F02; F02M; F02M31/00; F02M31/02; F02M31/04; F02M31/06; F02M31/08; F02M31/0815; B; B27; B27B; B27B17/00; F02M1/00; F02M15/00; F02M15/02; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/434; F02M2700/4342; F02M2700/4345; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |