Patent US2908476A successfully refreshed from Google Patents.
US2908476A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1955-01-03
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Granted: 1959-10-13
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Expires: 1975-01-03
Abstract
No abstract record available.
Inventors
- 👤 Walter E Hidding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:11
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/22; A61M39/28; A61M39/284
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189921170A
Cited
US1267763A
Cited
US1774994A
Cited
US2094264A
Cited
US2285821A
Cited
US2309338A
Cited
US2518895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |