US2937668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflex-reflecting textile yarns and fabrics
Assignee: 3M Co
•
Filing: 1956-10-29
•
Granted: 1960-05-24
•
Expires: 1976-10-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Patrick H Carey
- 👤 Edward P Davis
- 👤 Philip V Palmquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:50
CPC Classifications
D; D06; D06Q; D06Q1/00; D06Q1/04; D06Q1/10; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/252; Y10T442/00; Y10T442/30; Y10T442/3049; Y10T442/3057
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
65 words
A REFLEX-REFLECTING TEXTILE YARN ADAPTED TO BE INCORPORATED IN WOVEN OR KNITTED FABRICS OF THE CHARACTER DESCRIBED, COMPRISING A TEXTILE CORE YARN, A FLEXIBLE AND DURABLE CONCENTRIC BINDER LAYER COATED THEREON AND, BONDED IN THE BINDER LAYER, A CONCENTRIC SURFACE LAYER OF HALF-EMBEDDED TRANSPARENT GLASS MICROSPHERES HAVING A SPECULARLY REFLECTIVE METAL PLATING ON ONLY THE BACK SURFACE SO AS TO BE INTRINSICALLY REFLEX-REFLECTING, THE GLASS
References Cited (Backward Citations)
US1883412A
Cited
US1902440A
Cited
US2326634A
Cited
US2372868A
Cited
US2567233A
Cited
US2557108A
Cited
US2555715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |