US3517819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable woven fabric
Assignee: Appleton Mills
•
Filing: 1968-03-20
•
Granted: 1970-06-30
•
Expires: 1988-03-20
Abstract
No abstract record available.
Inventors
- 👤 Howard M Helland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:39
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/10; A; A47; A47L; A47L15/00; A47L15/42; A47L15/4229; D21F1/0027; D21F3/00; D21F3/02; D21F3/029
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US848416A
Cited
US2709475A
Cited
US2928160A
Cited
US3075274A
Cited
US3086276A
Cited
US3383278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |