Patent US2262978A successfully refreshed from Google Patents.
US2262978A
Expired / Lapsed
US
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Surface cleaning machine
Assignee: Individual
•
Filing: 1940-12-10
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Granted: 1941-11-18
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Expires: 1960-12-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Vesely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:34
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4047; A47L11/02; A47L11/10; A47L11/14; A47L11/18; A47L11/4063; A47L11/4069; A47L11/4075; A47L11/408; A47L11/4083; B; B43; B43L; B43L21/00; B43L21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-11-17 | 1945-05-19 | 1945-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-11-17 | 1949-05-19 | 1949-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-11-17 | 1953-05-19 | 1953-11-18 | $7700.00 | Window Closed / Lapsed |