US2707369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing twine
Assignee: Wyeth Holdings LLC
•
Filing: 1951-08-18
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Granted: 1955-05-03
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Expires: 1971-08-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Pullman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:37
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/02; D02G3/16; D02G3/18; D02G3/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A PROCESS FOR PRODUCING GLASS STRAND-PAPER TWINE COMPRISING COATING A PLURALITY OF GLASS STRANDS WITH AN ADHESIVE MATERIAL, SUPERIMPOSING SAID COATED STRANDS ON A FRESHLY-FORMED WET PAPER PULP LAP IN PARALLEL ALIGNMENT, COVERING SAID STRAND-COVERED LAP WITH A FRESHLY-FORMED WET PAPER PLUP LAP TO FORM A UNITARY ASSEMBLY, PASSING SAID ASSEMBLY THROUGH A DRYER, WHEREIN HEAT IS APPLIED TO THE ASSEMBLY SO AS TO ACTIVATE THE ADHESIVE AND BOND THE STRANDS TO THE LAP, THEREAFTER TWISTING THE ASSEMBLY TO FORM A TWINE.
Claim 2
Dependent Claim
82 words
A PROCESS FOR PRODUCING GLASS STRAND-PAPER TWINE COMPRISING COATING A PLURALITY OF GLASS STRANDS WITH AN ADHESIVE MATERIAL, SUPERIMPOSING SAID COATED STRANDS ON A FRESHLY-FORMED WET PAPER PULP LAP IN PARALLEL ALIGNMENT, COVERING SAID STRAND-COVERED LAP WITH A FRESHLY-FORMED WET PAPER PLUP LAP TO FORM A UNITARY ASSEMBLY, PASSING SAID ASSEMBLY THROUGH A DRYER, WHEREIN HEAT IS APPLIED TO THE ASSEMBLY SO AS TO ACTIVATE THE ADHESIVE AND BOND THE STRANDS TO THE LAP, THEREAFTER TWISTING THE ASSEMBLY TO FORM A TWINE.
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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) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |