US3551280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic twines and method of production thereof
Assignee: Delta Rope and Twine Ltd
•
Filing: 1969-04-01
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Granted: 1970-12-29
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Expires: 1989-04-01
Abstract
No abstract record available.
Inventors
- 👤 James A Kippan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:07
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/02; D07B1/04; D02; D02G; D02G3/00; D02G3/22; D02G3/40; D02G3/404; D10; D10B; D10B2321/00; D10B2321/02; D10B2505/00; D10B2505/10; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967
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) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |