Patent US3035779A successfully refreshed from Google Patents.
US3035779A
Expired / Lapsed
US
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Self-retracting downspout discharge extension
Assignee: Individual
•
Filing: 1959-12-16
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Granted: 1962-05-22
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Expires: 1979-12-16
Abstract
No abstract record available.
Inventors
- 👤 Orville P Convis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:53
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/04; E04D13/08; E04D2013/0806; E04D2013/0813
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US582125A
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US612433A
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US2392085A
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US2373555A
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US2601655A
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US2705662A
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US2776861A
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US2800925A
Cited
US2814529A
Cited
US2898939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |