US3298364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic traction device
Assignee: Individual
•
Filing: 1963-03-20
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Granted: 1967-01-17
•
Expires: 1983-03-20
Abstract
No abstract record available.
Inventors
- 👤 Jack C Radford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:13
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A THERAPEUTIC TRACTION DEVICE COMPRISING AN UPRIGHT SUPPORT YOKE, MEANS ENGAGING SAID SUPPORT YOKE FOR POSITIONING SAID SUPPORT YOKE WITH RESPECT TO A BED, A DIFFERENTIAL DRUM HAVING A CENTRAL PORTION OF ONE PREDETERMINED DIAMETER AND A PAIR OF END PORTIONS OF ANOTHER PREDETERMINED DIFFERENT DIAMETER, MEANS FOR PIVOTING SAID DIFFERENTIAL DRUM IN SAID SUPPORT YOKE FOR ROTATION WITH RESPECT THERETO, A SPREADER BAR, MEANS INCLUDING A PRIMARY CABLE FOR CONNECTING SAID SPREADER BAR AND SAID DIFFERENTIAL DRUM, MEANS CONSTITUTING CONNECTIONS BETWEEN THE TWO ENDS OF SAID PRIMARY CABLE AND ONE OF SAID CENTRAL PORTION OR SAID END PORTIONS OF SAID DRUM, MEANS CONSTITUTING A CONNECTION BETWEEN THE CENTRAL PORTION OF SAID PRIMARY CABLE AND THE CENTRAL PORTION OF SAID SPREADER BAR, A WEIGHT, MEANS INCLUDING A SECONDARY CABLE FOR CONNECTING SAID WEIGHT AND SAID DIFFERENTIAL DRUM, MEANS CONSTITUTING CONNECTIONS BETWEEN THE TWO ENDS OF SAID SECONDARY CABLE AND THE OTHER OF SAID END PORTIONS OF SAID DRUM OR SAID CENTRAL PORTION, AND MEANS CONSTITUTING A CONNECTION BETWEEN THE CENTRAL PORTION OF SAID SECONDARY CABLE AND SAID WEIGHT.
Claim 2
Dependent Claim
178 words
A THERAPEUTIC TRACTION DEVICE COMPRISING AN UPRIGHT SUPPORT YOKE, MEANS ENGAGING SAID SUPPORT YOKE FOR POSITIONING SAID SUPPORT YOKE WITH RESPECT TO A BED, A DIFFERENTIAL DRUM HAVING A CENTRAL PORTION OF ONE PREDETERMINED DIAMETER AND A PAIR OF END PORTIONS OF ANOTHER PREDETERMINED DIFFERENT DIAMETER, MEANS FOR PIVOTING SAID DIFFERENTIAL DRUM IN SAID SUPPORT YOKE FOR ROTATION WITH RESPECT THERETO, A SPREADER BAR, MEANS INCLUDING A PRIMARY CABLE FOR CONNECTING SAID SPREADER BAR AND SAID DIFFERENTIAL DRUM, MEANS CONSTITUTING CONNECTIONS BETWEEN THE TWO ENDS OF SAID PRIMARY CABLE AND ONE OF SAID CENTRAL PORTION OR SAID END PORTIONS OF SAID DRUM, MEANS CONSTITUTING A CONNECTION BETWEEN THE CENTRAL PORTION OF SAID PRIMARY CABLE AND THE CENTRAL PORTION OF SAID SPREADER BAR, A WEIGHT, MEANS INCLUDING A SECONDARY CABLE FOR CONNECTING SAID WEIGHT AND SAID DIFFERENTIAL DRUM, MEANS CONSTITUTING CONNECTIONS BETWEEN THE TWO ENDS OF SAID SECONDARY CABLE AND THE OTHER OF SAID END PORTIONS OF SAID DRUM OR SAID CENTRAL PORTION, AND MEANS CONSTITUTING A CONNECTION BETWEEN THE CENTRAL PORTION OF SAID SECONDARY CABLE AND SAID WEIGHT.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |