Patent US2490740A successfully refreshed from Google Patents.
Patent US4459330A successfully refreshed from Google Patents.
Patent US3324974A successfully refreshed from Google Patents.
US3324974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printed circuit card damper
Assignee: Collins Radio Co
•
Filing: 1965-07-12
•
Granted: 1967-06-13
•
Expires: 1985-07-12
Abstract
No abstract record available.
Inventors
- 👤 James B Champlin
- 👤 Richard P Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:40
CPC Classifications
H; H05; H05K; H05K7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A DAMPER FOR A PLATE COMPRISING A CROSS-SHAPED MEMBER OF VISCO-ELASTIC MATERIAL ATTACHED TO ONE SURFACE OF THE PLATE SUCH THAT THE ENTIRE SURFACE OF SAID CROSSSHAPED MEMBER CONTACTS SAID PLATE, AND WHEREIN SAID VISCO-ELASTIC MATERIAL CONSISTS OF A URETHANE EPOXY.
Claim 2
Dependent Claim
41 words
A DAMPER FOR A PLATE COMPRISING A CROSS-SHAPED MEMBER OF VISCO-ELASTIC MATERIAL ATTACHED TO ONE SURFACE OF THE PLATE SUCH THAT THE ENTIRE SURFACE OF SAID CROSSSHAPED MEMBER CONTACTS SAID PLATE, AND WHEREIN SAID VISCO-ELASTIC MATERIAL CONSISTS OF A URETHANE EPOXY.
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) | 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 |