Patent US2823618A successfully refreshed from Google Patents.
US2823618A
Expired / Lapsed
US
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Apparatus for plastering
Assignee: Individual
•
Filing: 1953-12-04
•
Granted: 1958-02-18
•
Expires: 1973-12-04
Abstract
No abstract record available.
Inventors
- 👤 Wilson Margaret
- 👤 Robert E Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:12
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/12; F; F01; F01L; F01L25/00; F01L25/08; F04; F04B; F04B15/00; F04B15/02; F04B43/00; F04B43/0009; F04B43/0054; F04B43/02; F04B43/06; F04B43/073; F04B43/0736; F04B53/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US487606A
Cited
US1559666A
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US1766419A
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US2017974A
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NL32377C
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US2669189A
Cited
US2552763A
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US2673525A
Cited
US2667129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |