Patent US5034602A successfully refreshed from Google Patents.
Patent US1401007A successfully refreshed from Google Patents.
US1401007A
Expired / Lapsed
US
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Suction-sweeper
Assignee: HOOVER SUCTION SWEEPER Co
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Filing: 1918-04-22
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Granted: 1921-12-20
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Expires: 1938-04-22
Abstract
No abstract record available.
Inventors
- 👤 Albert F Staples
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:01
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L5/34
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) | 1924-12-19 | 1925-06-20 | 1925-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-12-19 | 1929-06-20 | 1929-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-12-19 | 1933-06-20 | 1933-12-20 | $7700.00 | Window Closed / Lapsed |