Patent US2870669A successfully refreshed from Google Patents.
US2870669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Netting treatment process
Assignee: LINEN THREAD CO Inc
•
Filing: 1954-10-29
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Granted: 1959-01-27
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Expires: 1974-10-29
Abstract
No abstract record available.
Inventors
- 👤 Adam F Kopacki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:51
CPC Classifications
D; D04; D04G; D04G1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A METHOD OF TREATING NETTING MADE OF A THERMOSENSITIVE SYNTHETIC RESIN TWINE KNOTTED TO FORM MESHES, WHICH TREATMENT RENDERS THE NETTING SUBSTANTIALLY RESISTANT TO SLIPPAGE AT THE KNOTS; WHICH METHOD COMPRISES TREATING THE NETTING WITH A CHEMICAL SWELLING AGENT FOR THE THERMO-SENSITIVE SYNTHETIC RESIN, THE TEMPERATURE OF THE SWELLING AGENT NOT EXCEEDING 110*F., SAID NETTING BEING SUBJECTED TO THE ACTION OF THE CHEMICAL SWELLING AGENT FOR A PERIOD OF TIME SUFFICIENT TO SWELL AND SOFTEN ONLY THE EXTERNAL PORTIONS OF THE TWINE OF THE NETTING AND PERMIT THE PLASTIC MEMORY OF THE INTERNAL PORTIONS OF THE TWINE TO REMAIN UNCHANGED, THE NETTING ITSELF REMAINING IN A SUBSTANTIALLY UNSHRUNKEN CONDITION, AND THEREAFTER REMOVING THE CHEMICAL SWELLING AGENT FROM THE NETTING.
Claim 2
Independent Claim
119 words
A METHOD OF TREATING NETTING MADE OF A THERMOSENSITIVE SYNTHETIC RESIN TWINE KNOTTED TO FORM MESHES, WHICH TREATMENT RENDERS THE NETTING SUBSTANTIALLY RESISTANT TO SLIPPAGE AT THE KNOTS; WHICH METHOD COMPRISES TREATING THE NETTING WITH A CHEMICAL SWELLING AGENT FOR THE THERMO-SENSITIVE SYNTHETIC RESIN, THE TEMPERATURE OF THE SWELLING AGENT NOT EXCEEDING 110*F., SAID NETTING BEING SUBJECTED TO THE ACTION OF THE CHEMICAL SWELLING AGENT FOR A PERIOD OF TIME SUFFICIENT TO SWELL AND SOFTEN ONLY THE EXTERNAL PORTIONS OF THE TWINE OF THE NETTING AND PERMIT THE PLASTIC MEMORY OF THE INTERNAL PORTIONS OF THE TWINE TO REMAIN UNCHANGED, THE NETTING ITSELF REMAINING IN A SUBSTANTIALLY UNSHRUNKEN CONDITION, AND THEREAFTER REMOVING THE CHEMICAL SWELLING AGENT FROM THE NETTING.
References Cited (Backward Citations)
GB544820A
Cited
GB549452A
Cited
GB553442A
Cited
US2653372A
Cited
GB708814A
Cited
US2590586A
Cited
US2744306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |