Patent US6645010B1 successfully refreshed from Google Patents.
Patent US3367070A successfully refreshed from Google Patents.
US3367070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gutter guard
Assignee: Individual
•
Filing: 1965-01-14
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Granted: 1968-02-06
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Expires: 1985-01-14
Abstract
No abstract record available.
Inventors
- 👤 Wilbur A E Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:19
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/04; E04D13/064; E04D13/072; E04D13/0725; E04D13/076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US608844A
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US706333A
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US846238A
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US870165A
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US1160124A
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US2209741A
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US2841100A
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US2977081A
Cited
US2948083A
Cited
US3067881A
Cited
US3023544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |