US3288458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring assemblies
Assignee: Hoover Universal Inc
•
Filing: 1964-09-21
•
Granted: 1966-11-29
•
Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Edward H Gutzman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:53
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A SEAT SPRING, A LONGITUDINALLY EXTENDING FACE SPRING HAVING A PREDETERMINED TRANSVERSE DIMENSION, A SUPPORT SPRING FOR SAID FACE SPRING DISPOSED LATERALLY THEREOF AND ATTACHED TO ONE END OF SAID FACE SPRING, AND AN EXTENSION ON SAID ONE END OF THE FACE SPRING EXTENDING LONGITUDINALLY THEREOF, SAID EXTENSION INCLUDING A BORDER WIRE SECTION WHICH EXTENDS IN A DIRECTION TRANSVERSELY OF SAID FACE SPRING AND IS OF A LENGTH SUBSTANTIALLY GREATER THAN SAID TRANSVERSE DIMENSION OF SAID FACE SPRING SO THAT A PLURALITY OF SAID FACE SPRINGS CAN BE ARRANGED IN A SPACED SIDE BY SIDE RELATION WITH SAID BORDER WIRE SECTIONS CONNECTED TO FORM A BORDER WIRE.
Claim 2
Dependent Claim
108 words
IN A SEAT SPRING, A LONGITUDINALLY EXTENDING FACE SPRING HAVING A PREDETERMINED TRANSVERSE DIMENSION, A SUPPORT SPRING FOR SAID FACE SPRING DISPOSED LATERALLY THEREOF AND ATTACHED TO ONE END OF SAID FACE SPRING, AND AN EXTENSION ON SAID ONE END OF THE FACE SPRING EXTENDING LONGITUDINALLY THEREOF, SAID EXTENSION INCLUDING A BORDER WIRE SECTION WHICH EXTENDS IN A DIRECTION TRANSVERSELY OF SAID FACE SPRING AND IS OF A LENGTH SUBSTANTIALLY GREATER THAN SAID TRANSVERSE DIMENSION OF SAID FACE SPRING SO THAT A PLURALITY OF SAID FACE SPRINGS CAN BE ARRANGED IN A SPACED SIDE BY SIDE RELATION WITH SAID BORDER WIRE SECTIONS CONNECTED TO FORM A BORDER WIRE.
References Cited (Backward Citations)
US2829880A
Cited
US2834594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |