US2514197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Splicing thermoplastic monofilaments
Assignee: Bridgestone Firestone Inc
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Filing: 1946-06-20
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Granted: 1950-07-04
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Expires: 1966-06-20
Abstract
No abstract record available.
Inventors
- 👤 Frank J Groten
- 👤 William J Nanfeldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:37
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/04; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/69; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/832; B29C66/8324; B65; B65H; B65H69/00; B65H69/08; B65H69/085; B29C66/70; B29C66/71; B29C66/90; B29C66/92; B29C66/924; B29C66/9241; B29C66/929; B29C66/94; B29C66/949; B29C66/96; B29C66/967; B29C66/9672; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
PROCESS WHICH COMPRISES OVERLAPPING, IN PARALLEL RELATIONSHIP, THE ENDS OF TWO LENGTHS OF THERMOPLASTIC MONOFILAMENT, PRESSING SAID MONOFILAMENTS TOGETHER WITH A FORCE OF FROM ABOUT 3.0 TO ABOUT 6.0 POUNDS PER LINEAR INCH OF OVERLAPPED MONOFILAMENTS AND SUBJECTING THE OVERLAPPED FILAMENTS TO A HIGH FREQUENCY ELECTROSTATIC FIELD, SAID FIELD HAVING A FREQUENCY OF FROM ABOUT 150 TO 250 MEGACYCLES AND HAVING AN INTENSITY SUCH THAT A WELD IS EFFECTED BETWEEN THE FILAMENTS WITHIN A PERIOD OF TIME WHICH IS A FUNCTION OF THE FREQUENCY EMPLOYED, SUBSTANTIALLY IN ACCORDANCE WITH THE TABLE:
Claim 2
Dependent Claim
91 words
PROCESS WHICH COMPRISES OVERLAPPING, IN PARALLEL RELATIONSHIP, THE ENDS OF TWO LENGTHS OF THERMOPLASTIC MONOFILAMENT, PRESSING SAID MONOFILAMENTS TOGETHER WITH A FORCE OF FROM ABOUT 3.0 TO ABOUT 6.0 POUNDS PER LINEAR INCH OF OVERLAPPED MONOFILAMENTS AND SUBJECTING THE OVERLAPPED FILAMENTS TO A HIGH FREQUENCY ELECTROSTATIC FIELD, SAID FIELD HAVING A FREQUENCY OF FROM ABOUT 150 TO 250 MEGACYCLES AND HAVING AN INTENSITY SUCH THAT A WELD IS EFFECTED BETWEEN THE FILAMENTS WITHIN A PERIOD OF TIME WHICH IS A FUNCTION OF THE FREQUENCY EMPLOYED, SUBSTANTIALLY IN ACCORDANCE WITH THE TABLE:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |