US2860392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gate brick
Assignee: Individual
•
Filing: 1955-12-08
•
Granted: 1958-11-18
•
Expires: 1975-12-08
Abstract
No abstract record available.
Inventors
- 👤 James M Mccracken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:38
CPC Classifications
B; B22; B22D; B22D35/00; B22D35/04; B22D7/00; B22D7/06; B22D7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US581017A
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US1779763A
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US694315A
Cited
US1042092A
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US1103039A
Cited
US1614360A
Cited
US1657952A
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US1891867A
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US1817340A
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GB439526A
Cited
US2459025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |