Patent US3325136A successfully refreshed from Google Patents.
US3325136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat suspension
Assignee: Bostrom Corp
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Filing: 1965-03-18
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Granted: 1967-06-13
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Expires: 1985-03-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur O Radke
- 👤 Garth O Hall
- 👤 Harvey N Tengler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:42
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/501; B60N2/02; B60N2/04; B60N2/16; B60N2/1605; B60N2/161; B60N2/1615; B60N2/1635; B60N2/1665; B60N2/502; B60N2/505; B60N2/506; B60N2/507; B60N2/52; B60N2/525
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
IN A VERTICALLY ADJUSTABLE SEAT HAVING A SEAT PART RESILIENTLY MOUNTED ON A BASE PART FOR OSCILLATORY MOTION IN RESPECT THERETO, THE COMBINATION OF: CONTROL MEANS INCLUDING A STOP MEMBER CONNECTED TO THE SEAT PART AND COOPERATING WITH A STOP MEMBER WHICH IS CONNECTED TO SAID BASE PART TO LIMIT THE MAXIMUM PERMISSIBLE OSCILLATORY MOVEMENT OF THE SEAT PART IN RESPECT TO SAID BASE PART TO A PREDETERMINED DISTANCE; SAID CONTROL MEANS BEING ACTUABLE TO BE RESPONSIVE TO THE STATIC OCCUPANT LOAD OF THE SEAT PART TO RELATIVELY MOVE SAID SEAT PART AND ONE OF SAID STOP MEMBERS IN RESPECT TO THE OTHER OF SAID STOP MEMBERS AND SAID BASE PART UNTIL SAID STOP MEMBERS ASSUME A PREDETERMINED POSITION IN RESPECT TO EACH OTHER; AND MEANS TO ACTUATE SAID CONTROL MEANS INDEPENDENTLY OF THE OCCUPANT LOAD TO CAUSE SAID RELATIVE MOVEMENT AND TO THEREBY PERMIT A VARIANCE OF THE POSITION OF A STATICALLY LOADED SEAT PART IN RESPECT TO THE BASE PART WITHOUT CHANGING SAID PREDETERMINED POSITION OF SAID STOP MEMBERS IN RESPECT TO EACH OTHER.
Claim 2
Dependent Claim
176 words
IN A VERTICALLY ADJUSTABLE SEAT HAVING A SEAT PART RESILIENTLY MOUNTED ON A BASE PART FOR OSCILLATORY MOTION IN RESPECT THERETO, THE COMBINATION OF: CONTROL MEANS INCLUDING A STOP MEMBER CONNECTED TO THE SEAT PART AND COOPERATING WITH A STOP MEMBER WHICH IS CONNECTED TO SAID BASE PART TO LIMIT THE MAXIMUM PERMISSIBLE OSCILLATORY MOVEMENT OF THE SEAT PART IN RESPECT TO SAID BASE PART TO A PREDETERMINED DISTANCE; SAID CONTROL MEANS BEING ACTUABLE TO BE RESPONSIVE TO THE STATIC OCCUPANT LOAD OF THE SEAT PART TO RELATIVELY MOVE SAID SEAT PART AND ONE OF SAID STOP MEMBERS IN RESPECT TO THE OTHER OF SAID STOP MEMBERS AND SAID BASE PART UNTIL SAID STOP MEMBERS ASSUME A PREDETERMINED POSITION IN RESPECT TO EACH OTHER; AND MEANS TO ACTUATE SAID CONTROL MEANS INDEPENDENTLY OF THE OCCUPANT LOAD TO CAUSE SAID RELATIVE MOVEMENT AND TO THEREBY PERMIT A VARIANCE OF THE POSITION OF A STATICALLY LOADED SEAT PART IN RESPECT TO THE BASE PART WITHOUT CHANGING SAID PREDETERMINED POSITION OF SAID STOP MEMBERS IN RESPECT TO EACH OTHER.
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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |