US2857189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bushing of reinforced elastomer and method of manufacture
Assignee: Rolls Royce PLC
•
Filing: 1956-01-10
•
Granted: 1958-10-21
•
Expires: 1976-01-10
Abstract
No abstract record available.
Inventors
- 👤 Jeffery Norman Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:21
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/28; B; B29; B29C; B29C43/00; B29C43/02; B29K; B29K2083/00; B29K2309/00; B29K2309/08; B29L; B29L2031/00; B29L2031/04; B29L2031/045; Y; Y10; Y10T; Y10T403/00; Y10T403/45; Y10T403/455
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A HOLLOW BUSHING COMPRISING A CYLINDRICAL PORTION TERMINATING IN A RADIAL FLANGE PORTION AND COMPOSED OF A UNIFORMLY VULCANIZED SILICONE ELASTOMER REINFORCED BY SHORT LENGTHS OF GLASS FIBRE EVENLY DISTRIBUTED THROUGHOUT THE ELASTOMER.
Claim 2
Dependent Claim
33 words
A HOLLOW BUSHING COMPRISING A CYLINDRICAL PORTION TERMINATING IN A RADIAL FLANGE PORTION AND COMPOSED OF A UNIFORMLY VULCANIZED SILICONE ELASTOMER REINFORCED BY SHORT LENGTHS OF GLASS FIBRE EVENLY DISTRIBUTED THROUGHOUT 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) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |