US2702733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable headrest for chiropractic tables
Assignee: WILLIAMS Manufacturing Co Inc
•
Filing: 1953-12-24
•
Granted: 1955-02-22
•
Expires: 1973-12-24
Abstract
No abstract record available.
Inventors
- 👤 William J Lorang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:10
CPC Classifications
A; A61; A61G; A61G13/00; A61G13/009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US546235A
Cited
US1194939A
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US1079795A
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US1269354A
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US1582950A
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US2381922A
Cited
US2571829A
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US2622950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-21 | 1958-08-23 | 1959-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-21 | 1962-08-23 | 1963-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-21 | 1966-08-23 | 1967-02-22 | $7700.00 | Window Closed / Lapsed |