Patent US2730755A successfully refreshed from Google Patents.
US2730755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous mill
Assignee: Aetna Standard Engineering Co
•
Filing: 1953-01-07
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Granted: 1956-01-17
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Expires: 1973-01-07
Abstract
No abstract record available.
Inventors
- 👤 Hale Andrew
- 👤 Boyd A Mcclellan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:32
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/52; B29B7/56; B29B7/562; B29B7/74; B29B7/7476; B29B7/7495; B29C; B29C48/00; B29C48/03; B29C48/25; B29C48/285; B29C48/288; B29C48/2888
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A MILL FOR STOCKS OF PLASTIC MATERIAL, COMPRISING A PAIR OF ROTATING MILL ROLLS ONE OF WHICH IS A WORK ROLL TO WHICH THE STOCK WILL CLING, SAID ROLLS HAVING A NARROW BIGHT AT WHICH THE STOCK FORMS IN A BANK, MEANS FOR FEEDING STOCK AT ONE POINT ALONG SAID ROLLS, AND MEANS FOR ADVANCING THE STOCK ALONG THE ROLLS COMPRISING A KNIFE TO SLIT THE STOCK ON THE WORK ROLL, MEANS TO PICK UP AN EDGE OF THE STOCK AND TURN IT UPON ITSELF, AND A ROTATABLE COILING ROLLER HAVING AN END FACE PRESENTED TO THE SURFACE OF THE WORK ROLL, SAID COILING ROLLER BEING LOCATED BETWEEN THE TURNING MEANS AND THE BIGHT AND ACTING UPON THE STOCK WHILE IT IS ONE THE WORK ROLL AND ADAPTED TO ROLL THE STOCK UPON ITSELF INTO A COIL BEFORE IT REACHES THE BANK.
Claim 2
Dependent Claim
142 words
A MILL FOR STOCKS OF PLASTIC MATERIAL, COMPRISING A PAIR OF ROTATING MILL ROLLS ONE OF WHICH IS A WORK ROLL TO WHICH THE STOCK WILL CLING, SAID ROLLS HAVING A NARROW BIGHT AT WHICH THE STOCK FORMS IN A BANK, MEANS FOR FEEDING STOCK AT ONE POINT ALONG SAID ROLLS, AND MEANS FOR ADVANCING THE STOCK ALONG THE ROLLS COMPRISING A KNIFE TO SLIT THE STOCK ON THE WORK ROLL, MEANS TO PICK UP AN EDGE OF THE STOCK AND TURN IT UPON ITSELF, AND A ROTATABLE COILING ROLLER HAVING AN END FACE PRESENTED TO THE SURFACE OF THE WORK ROLL, SAID COILING ROLLER BEING LOCATED BETWEEN THE TURNING MEANS AND THE BIGHT AND ACTING UPON THE STOCK WHILE IT IS ONE THE WORK ROLL AND ADAPTED TO ROLL THE STOCK UPON ITSELF INTO A COIL BEFORE IT REACHES THE BANK.
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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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |