US3522637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-gripping fastening filament
Assignee: Individual
•
Filing: 1968-03-06
•
Granted: 1970-08-04
•
Expires: 1988-03-06
Abstract
No abstract record available.
Inventors
- 👤 George C Brumlik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:03
CPC Classifications
A; A44; A44B; A44B18/00; A44B18/0023; A44B18/0038; A44B18/0003; A44B18/0015; D; D03; D03D; D03D23/00; Y; Y10; Y10T; Y10T24/00; Y10T24/27; Y10T24/2733; Y10T24/2767; Y10T24/2783
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123077A
Cited
US1099763A
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US2199400A
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US2506667A
Cited
US3128514A
Cited
US3136026A
Cited
US3243339A
Cited
US3143895A
Cited
US3166072A
Cited
GB1109750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |