US2851320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically operated chiropractic table
Assignee: WILLIAMS Manufacturing Co Inc
•
Filing: 1957-08-27
•
Granted: 1958-09-09
•
Expires: 1977-08-27
Abstract
No abstract record available.
Inventors
- 👤 William J Lorang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:55
CPC Classifications
A; A61; A61G; A61G13/00; A61G13/009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1972462A
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US1989434A
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US2242057A
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US2217783A
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US2267054A
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US2398558A
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US2520455A
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US2571829A
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US2687536A
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US2764459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |