Patent US3074250A successfully refreshed from Google Patents.
US3074250A
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US
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Assignee: Individual
•
Filing: 1960-10-31
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Granted: 1963-01-22
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Expires: 1980-10-31
Abstract
No abstract record available.
Inventors
- 👤 Henry C Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:07
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/10; F; F25; F25D; F25D3/00; F25D3/12; F25D3/14; A45; A45F; A45F3/00; A45F3/04; A61F2007/0001; F25D2400/00; F25D2400/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |