US3104619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston head
Assignee: Challenge Cook Bros Inc
•
Filing: 1960-12-27
•
Granted: 1963-09-24
•
Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Swarthout Rassele Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:41
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/14; F04B53/143; F04B53/16; F04B53/162; F04B53/164; Y; Y10; Y10S; Y10S417/00; Y10S417/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US129631A
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US255116A
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US648153A
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US1529589A
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US1647425A
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US1597161A
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US1768633A
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US1774967A
Cited
US2858767A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |