US3031730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burr-type closure or coupling element
Assignee: Individual
•
Filing: 1958-09-26
•
Granted: 1962-05-01
•
Expires: 1978-09-26
Abstract
No abstract record available.
Inventors
- 👤 Louis H Morin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:56
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/0044; A; A44; A44B; A44B18/00; A44B18/0046; A44B18/0049; A44B18/0069; A44B18/0073; Y; Y10; Y10T; Y10T24/00; Y10T24/27; Y10T24/2725; Y10T24/2792
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR956320A
Cited
US1357929A
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US1891989A
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FR834209A
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US2352564A
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US2450448A
Cited
US2478872A
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US2499898A
Cited
FR1064360A
Cited
US2717437A
Cited
US2791807A
Cited
US2780261A
Cited
US2809411A
Cited
US2891347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |