US2817867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing leaves from gutters
Assignee: Individual
•
Filing: 1953-01-13
•
Granted: 1957-12-31
•
Expires: 1973-01-13
Abstract
No abstract record available.
Inventors
- 👤 Bugbird Herbert Copelin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:55
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/04; E04D13/076; E04D13/0765; A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US303517A
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US504452A
Cited
US1278074A
Cited
US1504641A
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US2039052A
Cited
US2134301A
Cited
US2603892A
Cited
US2623234A
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 |