US3007220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-applying releasable cord fastener
Assignee: Hartford Co
•
Filing: 1959-01-26
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Granted: 1961-11-07
•
Expires: 1979-01-26
Abstract
No abstract record available.
Inventors
- 👤 Johann E Hafner
- 👤 Wesley S Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:54
CPC Classifications
B; B65; B65D; B65D63/00; B65D63/10; B65D63/14; F; F16; F16G; F16G11/00; F16G11/10; F16G11/101; F16G11/105; F16G11/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |