US3834977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock-proof nylon carpet system
Assignee: Honeywell International Inc
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Filing: 1972-03-29
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Granted: 1974-09-10
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Expires: 1992-03-29
Abstract
Abstract A SHOCK-PROOF CARPET SYSTEM HAVING A FACE YARN OF TEXTURED NYLON CONTAINING UP TO ABOUT TWELVE WEIGHT PERCENT OF AN INTERNAL ADDITIVE SELECTED FROM ETHYLENE OXIDE CONDENSATION PRODUCTS, A PRIMARY BACKING OF JUTE OR SPUNBONDED SYNTHETIC MATERIAL, A TUFT-LOCKING LATEX MADE ELECTRICALLY CONDUCTIVE BY THE ADDITIVE OF UP TO ABOUT TEN WEIGHT PERCENT OF AN ANTISTATIV MATERIAL, AND A STANDARD SECONDARY BACKING.
Inventors
- 👤 R Rothwell
- 👤 C Cipriani
- 👤 J Rush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:14
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; D; D01; D01F; D01F1/00; D01F1/02; D01F1/09; B32B25/00; B32B25/10; B32B25/14; D01F6/00; D01F6/58; D01F6/60; B32B2262/00; B32B2262/02; B32B2262/0261; B32B2305/00; B32B2305/10; B32B2305/18; B32B2471/00; B32B2471/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-09 | 1978-03-11 | 1978-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-09 | 1982-03-11 | 1982-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-09 | 1986-03-11 | 1986-09-10 | $7700.00 | Window Closed / Lapsed |