US3302940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buffers
Assignee: Wildt Mellor Bromley Ltd
•
Filing: 1964-09-11
•
Granted: 1967-02-07
•
Expires: 1984-09-11
Abstract
No abstract record available.
Inventors
- 👤 Wain John Kaye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:36
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/48; D; D03; D03D; D03D49/00; D03D49/24; D03D49/26; D03D49/36; F16F9/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A BUFFER ASSEMBLY COMPRISING A PLUNGER, FIRST DAMPING MEANS FOR DAMPING MOVEMENT OF THE PLUNGER AWAY FROM A CENTRAL POSITION IN ONE DIRECTION, SECOND DAMPING MEANS FOR DAMPING MOVEMENT OF THE PLUNGER AWAY FROM THE CENTRAL POSITION IN THE OPPOSITE DIRECTION, AND AN ABUTMENT ASSEMBLY RIGIDLY ATTACHED TO SAID PLUNGER AND COMPRISING SPACED, OPPOSITELY FACING ABUTMENT SURFACES ADAPTED TO BE PRESENTED TO A RECIPROCABLE PART TO BE BUFFERED
Claim 2
Dependent Claim
68 words
A BUFFER ASSEMBLY COMPRISING A PLUNGER, FIRST DAMPING MEANS FOR DAMPING MOVEMENT OF THE PLUNGER AWAY FROM A CENTRAL POSITION IN ONE DIRECTION, SECOND DAMPING MEANS FOR DAMPING MOVEMENT OF THE PLUNGER AWAY FROM THE CENTRAL POSITION IN THE OPPOSITE DIRECTION, AND AN ABUTMENT ASSEMBLY RIGIDLY ATTACHED TO SAID PLUNGER AND COMPRISING SPACED, OPPOSITELY FACING ABUTMENT SURFACES ADAPTED TO BE PRESENTED TO A RECIPROCABLE PART TO BE BUFFERED
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |