US3135395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer device
Assignee: Livernois Engineering Co
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Filing: 1960-03-21
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Granted: 1964-06-02
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Expires: 1980-03-21
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Wallis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:28
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/05; B21D43/055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN A WORK TRANSFER DEVICE, A WORK ENGAGING MEMBER MOVABLE TO WORK ENGAGING AND RETRACTED POSITIONS, MEANS FOR ACTUATING SAID MEMBER TO SAID POSITIONS COMPRISING A PAIR OF RECIPROCATING DRIVE MEMBERS ADAPTED WHEN MOVED IN ONE DIRECTION TO SHIFT THE WORK ENGAGING MEMBER TO WORK ENGAGING POSITION AND WHEN MOVED IN THE OPPOSITE DIRECTION TO SHIFT THE WORK ENGAGING MEMBER TO RETRACTED POSITION, A DRIVING CONNECTION BETWEEN EACH OF SAID DRIVING MEMBERS AND SAID WORK ENGAGING MEMBER, ONE OF SAID DRIVING CONNECTIONS BEING EFFECTIVE ONLY IN RESPONSE TO A LOAD THEREON BELOW A PREDETERMINED VALUE, A RECIPROCATING POWER MEMBER HAVING A BI-DIRECTIONAL DRIVING CONNECTION WITH THE DRIVING MEMBER HAVING SAID ONE DRIVING CONNECTION WITH THE WORK ENGAGING MEMBER AND HAVING A UNIDIRECTIONAL DRIVING CONNECTION WITH THE OTHER DRIVING MEMBER.
Claim 2
Dependent Claim
129 words
IN A WORK TRANSFER DEVICE, A WORK ENGAGING MEMBER MOVABLE TO WORK ENGAGING AND RETRACTED POSITIONS, MEANS FOR ACTUATING SAID MEMBER TO SAID POSITIONS COMPRISING A PAIR OF RECIPROCATING DRIVE MEMBERS ADAPTED WHEN MOVED IN ONE DIRECTION TO SHIFT THE WORK ENGAGING MEMBER TO WORK ENGAGING POSITION AND WHEN MOVED IN THE OPPOSITE DIRECTION TO SHIFT THE WORK ENGAGING MEMBER TO RETRACTED POSITION, A DRIVING CONNECTION BETWEEN EACH OF SAID DRIVING MEMBERS AND SAID WORK ENGAGING MEMBER, ONE OF SAID DRIVING CONNECTIONS BEING EFFECTIVE ONLY IN RESPONSE TO A LOAD THEREON BELOW A PREDETERMINED VALUE, A RECIPROCATING POWER MEMBER HAVING A BI-DIRECTIONAL DRIVING CONNECTION WITH THE DRIVING MEMBER HAVING SAID ONE DRIVING CONNECTION WITH THE WORK ENGAGING MEMBER AND HAVING A UNIDIRECTIONAL DRIVING CONNECTION WITH THE OTHER DRIVING MEMBER.
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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |