US3468091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall fasteners
Assignee: Individual
•
Filing: 1967-12-12
•
Granted: 1969-09-23
•
Expires: 1987-12-12
Abstract
No abstract record available.
Inventors
- 👤 Anton Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:49
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/04; F16B13/06; F16B13/063; F16B13/066; Y; Y10; Y10S; Y10S411/00; Y10S411/913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1161155A
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FR510113A
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FR505145A
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GB300088A
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US2052793A
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US2435876A
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CH254174A
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US2762119A
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GB873980A
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FR1208535A
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GB899225A
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NL6502064A
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BE664262A
Cited
FR1458166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |