Patent US2947998A successfully refreshed from Google Patents.
US2947998A
Expired / Lapsed
US
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Apparatus for supporting infants
Assignee: Individual
•
Filing: 1955-03-14
•
Granted: 1960-08-09
•
Expires: 1975-03-14
Abstract
No abstract record available.
Inventors
- 👤 John J Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:27
CPC Classifications
A; A47; A47D; A47D5/00; A47D5/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1018865A
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US1270737A
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US1244373A
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US2133223A
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US2324421A
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US2314778A
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US2546676A
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US2508905A
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US2514735A
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US2656232A
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US2680660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |