US2981995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separable fastener
Assignee: Individual
•
Filing: 1957-08-30
•
Granted: 1961-05-02
•
Expires: 1977-08-30
Abstract
No abstract record available.
Inventors
- 👤 Golubics John Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:46
CPC Classifications
B; B42; B42F; B42F13/00; B42F13/12; Y; Y10; Y10S; Y10S411/00; Y10S411/904; Y10S411/908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US314795A
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US321646A
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US1325003A
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US629093A
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GB190610975A
Cited
US1056452A
Cited
US1247411A
Cited
US1563350A
Cited
US1690456A
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US2585233A
Cited
US2659122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |