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US2807984A
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Assignee: Individual
•
Filing: 1953-08-03
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Granted: 1957-10-01
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Expires: 1973-08-03
Abstract
No abstract record available.
Inventors
- 👤 Bailey Vivian Pinnock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:15
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US643945A
Cited
US904512A
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US1020396A
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US1298550A
Cited
US1507617A
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US1670176A
Cited
US1833109A
Cited
US2196550A
Cited
US2534313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |