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US2618149A
Expired / Lapsed
US
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Trowel device for plastering machines
Assignee: Individual
•
Filing: 1947-10-14
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Granted: 1952-11-18
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Expires: 1967-10-14
Abstract
No abstract record available.
Inventors
- 👤 George W Lynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:04
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1125146A
Cited
DE375741C
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US1390011A
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US1828738A
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US2104086A
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US2236737A
Cited
US2198271A
Cited
US2341691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |