US2887073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-cleaning gutter and downspout attachment to collect debris
Assignee: CHARLEY W BAISDEN
•
Filing: 1955-05-10
•
Granted: 1959-05-19
•
Expires: 1975-05-10
Abstract
No abstract record available.
Inventors
- 👤 Wayne G Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:14
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/04; E04D13/076; E04D13/08; E04D2013/086; E04D2013/0866
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US543922A
Cited
US1813329A
Cited
US2233766A
Cited
US2204416A
Cited
US2532388A
Cited
US2624299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |