Patent US3052480A successfully refreshed from Google Patents.
US3052480A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1959-10-28
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Granted: 1962-09-04
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Expires: 1979-10-28
Abstract
No abstract record available.
Inventors
- 👤 Grant H Sanstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:48
CPC Classifications
B; B62; B62B; B62B15/00; B62B15/008; B62B15/009; B62B1/00; B62B1/18; B62B1/183; B62B5/00; B62B5/0026; B62B2202/00; B62B2202/42; B62B2301/00; B62B2301/20; B62B5/0066; B62B5/06; B62B5/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US546730A
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US764357A
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GB332933A
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AT128292B
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US2208600A
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US2564202A
Cited
US2458400A
Cited
US2565848A
Cited
US2584122A
Cited
CH310922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |