US3478202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording system
Assignee: JAMES D SNODGRASS
•
Filing: 1968-03-18
•
Granted: 1969-11-11
•
Expires: 1988-03-18
Abstract
No abstract record available.
Inventors
- 👤 James D Snodgrass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:38
CPC Classifications
B; B61; B61L; B61L25/00; B61L25/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123802A
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US1350355A
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US2133640A
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US2153675A
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GB812609A
Cited
US2941186A
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US3109616A
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US3143729A
Cited
US3252137A
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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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |