Patent US1283499A successfully refreshed from Google Patents.
US1283499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction-nozzle for carpet-washing machines.
Assignee: Individual
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Filing: 1917-06-25
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Granted: 1918-11-05
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Expires: 1937-06-25
Abstract
No abstract record available.
Inventors
- 👤 Halla F Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:36
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02; A47L9/06; A47L11/00; A47L11/34; A47L11/40; A47L11/4063; A47L11/4069
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) | 1921-11-04 | 1922-05-06 | 1922-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-11-04 | 1926-05-06 | 1926-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-11-04 | 1930-05-06 | 1930-11-05 | $7700.00 | Window Closed / Lapsed |