US3299886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traction methods and apparatus
Assignee: Individual
•
Filing: 1964-03-09
•
Granted: 1967-01-24
•
Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Venzel R Mikan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:21
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0218; A61H1/0222
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A CHAIR CONSTRUCTION FOR SUPPORTING THE BODY OF A PERSON, SAID CONSTRUCTION COMPRISING FRAME MEANS HAVING FORWARD AND REARWARD ENDS; AN UPWARDLY AND REARWARDLY INCLINED BACK SUPPORTING MEMBER; MEANS MOUNTING SAID BACK SUPPORTING MEMBER ON SAID FRAME MEANS; AN UPWARDLY CONCAVE SEAT SUPPORTING MEMBER, AND MEANS MOUNTING SAID SEAT MEMBER ON SAID FRAME MEANS FOR RECIPROCATING MOVEMENTS RELATIVE TO AND TOWARD AND AWAY FROM SAID BACK MEMBER.
Claim 2
Dependent Claim
67 words
A CHAIR CONSTRUCTION FOR SUPPORTING THE BODY OF A PERSON, SAID CONSTRUCTION COMPRISING FRAME MEANS HAVING FORWARD AND REARWARD ENDS; AN UPWARDLY AND REARWARDLY INCLINED BACK SUPPORTING MEMBER; MEANS MOUNTING SAID BACK SUPPORTING MEMBER ON SAID FRAME MEANS; AN UPWARDLY CONCAVE SEAT SUPPORTING MEMBER, AND MEANS MOUNTING SAID SEAT MEMBER ON SAID FRAME MEANS FOR RECIPROCATING MOVEMENTS RELATIVE TO AND TOWARD AND AWAY FROM SAID BACK MEMBER.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |