US2817863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleat cleaners
Assignee: Individual
•
Filing: 1955-11-18
•
Granted: 1957-12-31
•
Expires: 1975-11-18
Abstract
No abstract record available.
Inventors
- 👤 Johns William Brooke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:30
CPC Classifications
A; A47; A47L; A47L23/00; A47L23/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1239688A
Cited
US1251321A
Cited
US1608420A
Cited
US2068001A
Cited
US2461639A
Cited
US2652582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |