Patent US2994936A successfully refreshed from Google Patents.
US2994936A
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US
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Conduit block making machine
Assignee: Individual
•
Filing: 1959-10-05
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Granted: 1961-08-08
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Expires: 1979-10-05
Abstract
No abstract record available.
Inventors
- 👤 Paul E Rauch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:01
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/16; B28B7/18; B28B7/183; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19014; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US395095A
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US1937350A
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US1027492A
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US1025663A
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US1428044A
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US1396779A
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US2525275A
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US2875499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |