US2534969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface working machine
Assignee: Individual
•
Filing: 1946-08-14
•
Granted: 1950-12-19
•
Expires: 1966-08-14
Abstract
No abstract record available.
Inventors
- 👤 Hauser Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:17
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4072; A47L11/02; A47L11/10; A47L11/14; A47L11/18; A47L11/24; A47L11/4002; A47L11/4005; A47L11/4036; A47L11/4041; A47L11/4052; A47L11/4058; B; B24; B24B; B24B7/00; B24B7/10; B24B7/18; B24B7/188
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1352583A
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US851702A
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US1222477A
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US1406275A
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US1520769A
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US1576428A
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US1620459A
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US1770643A
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US1872502A
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US2136529A
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US2001099A
Cited
US2375102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |