US2764218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for coating and reinforcing pipe
Assignee: Individual
•
Filing: 1950-12-15
•
Granted: 1956-09-25
•
Expires: 1970-12-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Sidney L Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:11
CPC Classifications
B; B28; B28B; B28B19/00; B28B19/0038
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1954005A
Cited
US1024221A
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US998762A
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US1044807A
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US1146477A
Cited
US1731953A
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US1753716A
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US2280252A
Cited
US2301165A
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US2373636A
Cited
US2352749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |