Patent CH174341A successfully refreshed from Google Patents.
US2800906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1952-04-30
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Granted: 1957-07-30
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Expires: 1972-04-30
Abstract
No abstract record available.
Inventors
- 👤 Edward M Hinton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:11
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/4401; A61F13/00; A61F13/15; A61F13/53; A61F13/534; A61F13/56; A61F13/64; A61F13/51; A61F13/514; A61F13/51401; A61F2013/51409; A61F2013/53445; A61F2013/5661; A61F2013/5666; A61F2013/5672; A61F2013/5694
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US584205A
Cited
FR430268A
Cited
FR620614A
Cited
FR37547E
Cited
US1833960A
Cited
US2062978A
Cited
US2092362A
Cited
US2573903A
Cited
US2545216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |