Patent US2996175A successfully refreshed from Google Patents.
US2996175A
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US
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Assignee: Individual
•
Filing: 1954-11-01
•
Granted: 1961-08-15
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Expires: 1974-11-01
Abstract
No abstract record available.
Inventors
- 👤 William P Frankenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:04
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/20; B65D5/2004; B65D5/2009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1844066A
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US2090200A
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US2276890A
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US2307146A
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US2397135A
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US2519831A
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US2534402A
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US2522049A
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US2670126A
Cited
US2745543A
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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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |