Patent US3449764A successfully refreshed from Google Patents.
US3449764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clothing closure
Assignee: United States Department of the Navy
•
Filing: 1966-10-25
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Granted: 1969-06-17
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Expires: 1986-10-25
Abstract
No abstract record available.
Inventors
- 👤 Benjamin S De Fazio
- 👤 John Silvia Jr
- 👤 Caesar J Zemme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:36
CPC Classifications
A; A41; A41F; A41F1/00; A41D; A41D27/00; A41D27/24; A44; A44B; A44B19/00; A44B19/24; A44B19/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1896183A
Cited
US2002306A
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US2148269A
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US2422249A
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US2371776A
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US2492655A
Cited
US2644948A
Cited
FR1036864A
Cited
FR1039990A
Cited
FR1068380A
Cited
AT192870B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |