US2809865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for applying material to walls and other objects
Assignee: Individual
•
Filing: 1953-05-22
•
Granted: 1957-10-15
•
Expires: 1973-05-22
Abstract
No abstract record available.
Inventors
- 👤 Spencer A Earnshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:03
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/10; Y; Y10; Y10S; Y10S425/00; Y10S425/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US810510A
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US1054576A
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US1116092A
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US1609831A
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US2156901A
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US2303762A
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US2374334A
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US2404882A
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US2428852A
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US2476299A
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US2639943A
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US2681725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |