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US3025995A
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Assignee: ROYAL JET DIVISION OF ROYAL IN
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Filing: 1959-07-17
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Granted: 1962-03-20
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Expires: 1979-07-17
Abstract
No abstract record available.
Inventors
- 👤 Emery F Koelsch
- 👤 Earl W Gravlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:44
CPC Classifications
A; A45; A45C; A45C13/00; A45C13/36; B; B65; B65D; B65D81/00; B65D81/02; B65D81/05; B65D81/053
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1576319A
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US1807912A
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US2115165A
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US2155871A
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US2194722A
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US2301467A
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US2656064A
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US2695728A
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US2717094A
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US2874865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |