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US3540435A Expired / Lapsed US ⏱️ 0.0 years remaining

Physical therapy apparatus for persons at bedrest

Assignee: Individual
•
Filing: 1968-01-22
•
Granted: 1970-11-17
•
Expires: 1988-01-22
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Abstract

No abstract record available.

Inventors

  • 👤 Mary G Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 00:24
CPC Classifications
A; A63; A63B; A63B22/00; A63B22/06; A63B22/0605; A63B21/00; A63B21/16; A63B21/1672; A63B21/40; A63B21/4001; A63B21/4011; A63B2208/00; A63B2208/02; A63B2208/0242; A63B2208/0252; Y; Y10; Y10S; Y10S482/00; Y10S482/904

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-11-16 1974-05-18 1974-11-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-11-16 1978-05-18 1978-11-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-11-16 1982-05-18 1982-11-17 $7700.00 Window Closed / Lapsed

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