US2819679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastering machines
Assignee: Individual
•
Filing: 1953-03-02
•
Granted: 1958-01-14
•
Expires: 1973-03-02
Abstract
No abstract record available.
Inventors
- 👤 Wilson Margaret
- 👤 Robert E Loug
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:29
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)
DE281470C
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US1363878A
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US1632559A
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US1848546A
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GB295205A
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US2097985A
Cited
US2419993A
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US2576747A
Cited
US2625886A
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US2571476A
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US2525295A
Cited
US2679209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |