US3063497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silo door
Assignee: Individual
•
Filing: 1959-04-06
•
Granted: 1962-11-13
•
Expires: 1979-04-06
Abstract
No abstract record available.
Inventors
- 👤 George B Bruecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:47
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US706596A
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US942095A
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US1254131A
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US1243129A
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US1201006A
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US1419236A
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US2193469A
Cited
US2261141A
Cited
US2261142A
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US2470921A
Cited
US2483523A
Cited
US2602501A
Cited
US2575757A
Cited
US2843201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |