US3279779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined disc and elastomeric spring
Assignee: Lord Corp
•
Filing: 1964-07-20
•
Granted: 1966-10-18
•
Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 David G Thomas
- 👤 John W Kloss
- 👤 Shu Hsien-Hwei
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:06
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/30; F16F3/00; F16F3/08; F16F3/10; F16F3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A SPRING COMPRISING AXIALLY SPACED ANNULAR DISC SPRINGS, AND A BODY OF ELASTOMER SANDWICHED BETWEEN AND BONDED TO THE DISC SPRINGS, SAID DISC SPRINGS HAVING A SOFTER SPRING RATE THAN THE ELASTOMER.
Claim 2
Dependent Claim
32 words
A SPRING COMPRISING AXIALLY SPACED ANNULAR DISC SPRINGS, AND A BODY OF ELASTOMER SANDWICHED BETWEEN AND BONDED TO THE DISC SPRINGS, SAID DISC SPRINGS HAVING A SOFTER SPRING RATE THAN THE ELASTOMER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |