US3539436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knitted product having a material-engaging surface
Assignee: Velcro Industries BV
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Filing: 1967-08-10
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Granted: 1970-11-10
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Expires: 1987-08-10
Abstract
No abstract record available.
Inventors
- 👤 Hisashi Hamano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:39
CPC Classifications
D; D04; D04B; D04B23/00; D04B23/08; A; A44; A44B; A44B18/00; A44B18/0023; A44B18/0038; A44B19/00; A44B19/42; D04B1/00; D04B1/02; D04B21/00; D04B21/02; D04B35/00; D10; D10B; D10B2403/00; D10B2403/01; D10B2403/011; D10B2403/0112; D10B2501/00; D10B2501/06; D10B2501/063; D10B2501/0632; Y; Y10; Y10T; Y10T24/00; Y10T24/27; Y10T24/275; Y10T428/00; Y10T428/24; Y10T428/24008; Y10T428/24017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2133840A
Cited
US2717437A
Cited
US2960750A
Cited
US3174308A
Cited
US3009235A
Cited
US3204646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |