US3060833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Damper device for ranges
Assignee: PLEDGER COCKLE SALES CO Inc
•
Filing: 1958-12-04
•
Granted: 1962-10-30
•
Expires: 1978-12-04
Abstract
No abstract record available.
Inventors
- 👤 William A Pledger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:43
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/70; F24F11/72; F24F11/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3492A
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US548889A
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US2242738A
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US2270073A
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US1009769A
Cited
US1125416A
Cited
US1352255A
Cited
US1898821A
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US2702504A
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US2832277A
Cited
US2813477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |