Patent US2804127A successfully refreshed from Google Patents.
US2804127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable head rest
Assignee: Individual
•
Filing: 1954-05-06
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Granted: 1957-08-27
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Expires: 1974-05-06
Abstract
No abstract record available.
Inventors
- 👤 Whittingham Wallace John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:21
CPC Classifications
A; A61; A61G; A61G13/00; A61G13/10; A61G13/12; A61G13/1205; A61G13/121; B; B25; B25H; B25H5/00; A61G7/00; A61G7/05; A61G7/065; A61G7/07; A61G7/072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US126599A
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US235705A
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US325551A
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US610089A
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US668381A
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US966637A
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US1629306A
Cited
FR775316A
Cited
US2118689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |