Patent US3297155A successfully refreshed from Google Patents.
US3297155A
Expired / Lapsed
US
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Tubular cores
Assignee: Hexion Inc
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Filing: 1965-11-26
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Granted: 1967-01-10
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Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Miles Nadin Gattenby
- 👤 D Amato Anthony Salvatore
- 👤 Golner Jerold Julins
- 👤 Feinstein Sumner Sheldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:06
CPC Classifications
B; B65; B65H; B65H81/00; B65H81/06; B29; B29C; B29C53/00; B29C53/32; B65H75/00; B65H75/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A ROLL OF SOFT, ELASTIC FILM COMPRISING: (1) A CORE; (2) A PLURALITY OF CONVOLUTIONS OF SAID FILM WOUND UNDER TENSION ONTO SAID CORE; AND (3) A MOVABLE COLLAR DISPOSED BETWEEN AND SUBSTANTIALLY IN CIRCUMFERENTIAL CONTACT WITH SAID CORE AND SAID FILM AND BEING IN AXIALLY SLIDABLE RELATION WITH SAID CORE COVERING AT LEAST ONE LINE OF INTERSECTION BETWEEN SAID CORE AND SAID FILM.
Claim 2
Dependent Claim
64 words
A ROLL OF SOFT, ELASTIC FILM COMPRISING: (1) A CORE; (2) A PLURALITY OF CONVOLUTIONS OF SAID FILM WOUND UNDER TENSION ONTO SAID CORE; AND (3) A MOVABLE COLLAR DISPOSED BETWEEN AND SUBSTANTIALLY IN CIRCUMFERENTIAL CONTACT WITH SAID CORE AND SAID FILM AND BEING IN AXIALLY SLIDABLE RELATION WITH SAID CORE COVERING AT LEAST ONE LINE OF INTERSECTION BETWEEN SAID CORE AND SAID FILM.
References Cited (Backward Citations)
US2953313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |