Patent US4197921A successfully refreshed from Google Patents.
US3077007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed mechanism for machines for processing fibrous material
Assignee: Curlator Corp
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Filing: 1958-11-05
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Granted: 1963-02-12
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Expires: 1978-11-05
Abstract
No abstract record available.
Inventors
- 👤 James T Coghill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:50
CPC Classifications
D; D21; D21D; D21D1/00; D21D1/20; D21D1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A MACHINE FOR PROCESSING STOCK, HAVING TWO OPPOSED WORKING PLATES WHICH ARE DISPOSED TO FORM BETWEEN THEM A WORKING SPACE, MEANS FOR FEEDING STOCK INTO SAID WORKING SPACE TO BE TREATED, A RECIPROCABLE PLUNGER DISPOSED AT ONE SIDE OF SAID WORKING SPACE AND CENTRALLY RELATIVE TO ONE OF SAID PLATES IN POSITION TO BE ENGAGED BY STOCK IN SAID WORKING SPACE AND TO BE SUBJECT DIRECTLY TO PRESSURE OF SAID STOCK, SPRING MEANS FOR URGING SAID
Claim 2
Dependent Claim
76 words
A MACHINE FOR PROCESSING STOCK, HAVING TWO OPPOSED WORKING PLATES WHICH ARE DISPOSED TO FORM BETWEEN THEM A WORKING SPACE, MEANS FOR FEEDING STOCK INTO SAID WORKING SPACE TO BE TREATED, A RECIPROCABLE PLUNGER DISPOSED AT ONE SIDE OF SAID WORKING SPACE AND CENTRALLY RELATIVE TO ONE OF SAID PLATES IN POSITION TO BE ENGAGED BY STOCK IN SAID WORKING SPACE AND TO BE SUBJECT DIRECTLY TO PRESSURE OF SAID STOCK, SPRING MEANS FOR URGING SAID
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |