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US2785528A
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Assignee: Individual
•
Filing: 1954-07-01
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Granted: 1957-03-19
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Expires: 1974-07-01
Abstract
No abstract record available.
Inventors
- 👤 Emily T Kernick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:23
CPC Classifications
G; G04; G04B; G04B19/00; G04B19/22; G04B19/226
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1515135A
Cited
US1959601A
Cited
US2068418A
Cited
US2040322A
Cited
US2314269A
Cited
DE873158C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |