Patent US2954957A successfully refreshed from Google Patents.
US2954957A
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US
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Assignee: American Hospital Supply Corp
•
Filing: 1956-05-09
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Granted: 1960-10-04
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Expires: 1976-05-09
Abstract
No abstract record available.
Inventors
- 👤 Axel E F Johnson
- 👤 Witt Harry K De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:14
CPC Classifications
F; F21; F21S; F21S8/00; F21V; F21V21/00; F21V21/14; F21V21/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US501392A
Cited
GB190106884A
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US1370231A
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US1357295A
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GB145256A
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US1549291A
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US1864756A
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US2151877A
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US2052488A
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US2289105A
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US2240651A
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US2358844A
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US2447228A
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US2731237A
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US2745949A
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FR1078203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |