Patent US1380490A successfully refreshed from Google Patents.
Patent US3063889A successfully refreshed from Google Patents.
US3063889A
Expired / Lapsed
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Method of joining the edges of webs to form a large area film fabrication
Assignee: Union Carbide Corp
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Filing: 1957-04-03
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Granted: 1962-11-13
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Expires: 1977-04-03
Abstract
No abstract record available.
Inventors
- 👤 Charles E Staff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:11
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/435; B29C65/00; B29C65/02; B29C65/18; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7894; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C65/04; B29C65/24; B29C65/30; B29C65/48; B29C65/4895; B29C66/70; B29C66/71; B29L; B29L2007/00; B29L2007/005; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
THE METHOD OF BONDING TOGETHER THE EDGE PORTIONS OF A PLURALITY OF AT LEAST THREE SUBSTANTIALLY CONTINUOUS SHEETS OF MATERIAL TO FORM A SINGLE WIDE SHEET ELEMENT COMPRISING THE STEPS OF CONTINUOUSLY FEEDING SUCH SHEETS TO BE JOINED INTO SUBSTANTIALLY SUPERPOSED POSITION, OVERFOLDING TO A POSITION BETWEEN EACH ADJACENT PAIR OF SAID SHEETS A MARGINAL EDGE PORTION OF ONE OF THE SHEETS OF EACH SUCH PAIR OF SHEETS, AND EFFECTING A UNION OF THE SURFACE OF EACH SUCH FOLDED EDGE PORTIONS FACING THE NEXT ADJACENT SHEET TO THE CONTACTING SURFACE PORTION OF SUCH NEXT ADJACENT SHEET.
Claim 2
Independent Claim
96 words
THE METHOD OF BONDING TOGETHER THE EDGE PORTIONS OF A PLURALITY OF AT LEAST THREE SUBSTANTIALLY CONTINUOUS SHEETS OF MATERIAL TO FORM A SINGLE WIDE SHEET ELEMENT COMPRISING THE STEPS OF CONTINUOUSLY FEEDING SUCH SHEETS TO BE JOINED INTO SUBSTANTIALLY SUPERPOSED POSITION, OVERFOLDING TO A POSITION BETWEEN EACH ADJACENT PAIR OF SAID SHEETS A MARGINAL EDGE PORTION OF ONE OF THE SHEETS OF EACH SUCH PAIR OF SHEETS, AND EFFECTING A UNION OF THE SURFACE OF EACH SUCH FOLDED EDGE PORTIONS FACING THE NEXT ADJACENT SHEET TO THE CONTACTING SURFACE PORTION OF SUCH NEXT ADJACENT SHEET.
References Cited (Backward Citations)
US2277924A
Cited
US2445703A
Cited
US2474770A
Cited
US2482613A
Cited
US2583308A
Cited
US2557723A
Cited
US2511031A
Cited
FI22540A
Cited
US2712342A
Cited
US2610934A
Cited
US2633286A
Cited
US2651588A
Cited
US2656293A
Cited
US2803578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |