US3007221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nail free wall form assembly device
Assignee: Individual
•
Filing: 1958-10-06
•
Granted: 1961-11-07
•
Expires: 1978-10-06
Abstract
No abstract record available.
Inventors
- 👤 William H Kenney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:35
CPC Classifications
E; E04; E04G; E04G17/00; E04G17/06; E04G17/07; E04G17/02; Y; Y10; Y10S; Y10S248/00; Y10S248/909; Y10S425/00; Y10S425/129
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2721369A
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US2711002A
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US2819861A
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US2819863A
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US2898659A
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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 |