Patent US2567004A successfully refreshed from Google Patents.
US2567004A
Expired / Lapsed
US
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Automatically regulated lead-away trough for downspouts
Assignee: Individual
•
Filing: 1947-05-24
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Granted: 1951-09-04
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Expires: 1967-05-24
Abstract
No abstract record available.
Inventors
- 👤 Benck Leslie William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:30
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/04; E04D13/08; E04D2013/0806; E04D2013/0813; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/265; Y10T137/2668; Y10T137/267; Y10T137/9464
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |