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US2713017A Expired / Lapsed US ⏱️ 0.0 years remaining

Welding plastic film sections

Assignee: Connecticut Hard Rubber Co
•
Filing: 1954-07-12
•
Granted: 1955-07-12
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Expires: 1974-07-12
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Abstract

No abstract record available.

Inventors

  • 👤 Carl N Bruns

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 12:31
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/222; B29C65/223; B29C65/34; B29C65/3404; B29C65/342; B29C65/3432; B29C65/3472; B29C65/3476; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/135; B29C66/1352; B29C66/20; B29C66/23; B29C66/232; B29C66/70; B29C66/71; C; C08; C08J; C08J5/00; C08J5/12; C08J5/121; B29C65/36; B29C65/3604; B29C65/362; B29C65/3672; B29C65/3676; B29K; B29K2027/00; B29K2027/12; B29K2027/18; C08J2327/00; C08J2327/02; C08J2327/12; C08J2327/18; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1051; Y10T428/00; Y10T428/19; Y10T428/24; Y10T428/2419; Y10T428/24215

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 37 words
THE METHOD OF SEAMING PLASTIC FILM SECTIONS WHICH COMPRISES PLACING SAID FILM SECTIONS IN OVERLAPPED RELATIONSHIP, INSERTING TWO ELECTRICAL RESISTANCE WIRES PARALLEL SPACED RELATION BETWEEN THE OVERLAPPED PORTIONS OF FILM AND APPLYING ELECTRIC CURRENT TO THE RESISTANCE
Claim 2
Independent Claim 37 words
THE METHOD OF SEAMING PLASTIC FILM SECTIONS WHICH COMPRISES PLACING SAID FILM SECTIONS IN OVERLAPPED RELATIONSHIP, INSERTING TWO ELECTRICAL RESISTANCE WIRES PARALLEL SPACED RELATION BETWEEN THE OVERLAPPED PORTIONS OF FILM AND APPLYING ELECTRIC CURRENT TO THE RESISTANCE

References Cited (Backward Citations)

US2375386A Cited
US2647072A Cited
US2640798A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-07-11 1959-01-10 1959-07-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-07-11 1963-01-10 1963-07-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-07-11 1967-01-10 1967-07-12 $7700.00 Window Closed / Lapsed

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