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US2675979A
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Assignee: Individual
•
Filing: 1949-12-13
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Granted: 1954-04-20
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Expires: 1969-12-13
Abstract
No abstract record available.
Inventors
- 👤 Oran F Vetterli
- 👤 Robert C Paterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:32
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/12; B44D3/123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US568121A
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US1046689A
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US1201001A
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US1174138A
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US1262920A
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US1328271A
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US1703008A
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US2241657A
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US2340660A
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US2489875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |