US3565474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exposed-type suspension system
Assignee: Conwed Corp
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Filing: 1969-02-14
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Granted: 1971-02-23
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Expires: 1989-02-14
Abstract
Abstract A SUSPENSION SYSTEM OF THE EXPOSED TYPE HAS MAIN RUNNERS EACH END OF WHICH IS IDENTICALLY FORMED WITH A VERTICAL SLOT THEREIN HAVING A CENTRALLY LOCATED RESTRICTED PORTION AND WITH AN EXTENDING TONGUE HAVING EXTENSION TABS WHICH WILL PASS THROUGH SAID SLOT AT THE LARGER ENDS THEREOF AND, UPON VERTICAL MOVEMENT, MOVE INTO POSITION CENTRALLY OF SAID SLOT WHERE THE RUNNERS ARE HELD IN FIXED ABUTTING RELATIONSHIP BY TE CONNECTION BETWEEN THE CENTRALLY LOCATED RESTRICTED PORTION OF THE SLOT AND THE EXTENSION TABS.
Inventors
- 👤 Richard William Stumbo Jr
- 👤 James Edward Aysta Willi Tacke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:21
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/10; E04B9/12; E04B9/122; F; F16; F16B; F16B2200/00; F16B2200/20; Y; Y10; Y10T; Y10T403/00; Y10T403/44; Y10T403/447; Y10T403/70; Y10T403/7005; Y10T403/7007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |