Patent US974286A successfully refreshed from Google Patents.
US974286A
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US
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Vacuum cleaning apparatus.
Assignee: FRANK J MATCHETTE
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Filing: 1907-02-01
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Granted: 1910-11-01
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Expires: 1927-02-01
Abstract
No abstract record available.
Inventors
- 👤 Richard Raddatz
- 👤 Charles Moukos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:05
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/02; F04B49/022; A; A61; A61H; A61H33/00; A61H33/0087; Y; Y10; Y10S; Y10S137/00; Y10S137/907
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) | 1913-10-31 | 1914-05-02 | 1914-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-10-31 | 1918-05-02 | 1918-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-10-31 | 1922-05-02 | 1922-11-01 | $7700.00 | Window Closed / Lapsed |