Patent US3623132A successfully refreshed from Google Patents.
US2548340A
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Apparatus for de-airing and delivering plaster
Assignee: Taylor Smith and Taylor Co
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Filing: 1948-07-14
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Granted: 1951-04-10
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Expires: 1968-07-14
Abstract
No abstract record available.
Inventors
- 👤 James A Bower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:46
CPC Classifications
B; B28; B28B; B28B17/00; B28B17/02; B28B17/023; B28C; B28C1/00; B28C1/02; B28C1/06; B28C1/08; B28C1/084; B28C5/00; B28C5/08; B28C5/10; B28C5/12; B28C5/1223; B28C5/123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1194355A
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US873345A
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US886768A
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US1372172A
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US1733410A
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US1733724A
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US1965344A
Cited
US2301461A
Cited
US2463995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |