US2601695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination sweeper and blower
Assignee: Individual
•
Filing: 1948-05-10
•
Granted: 1952-07-01
•
Expires: 1968-05-10
Abstract
No abstract record available.
Inventors
- 👤 William E Grace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:07
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/08; E01H1/0809; E01H1/0818
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190924821A
Cited
US1181279A
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US1081209A
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US1075489A
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US2180269A
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US2300280A
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US2229230A
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US2259632A
Cited
US2346270A
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US2561882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |