US3063696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grate bars
Assignee: Carondelet Foundry Co
•
Filing: 1959-03-09
•
Granted: 1962-11-13
•
Expires: 1979-03-09
Abstract
No abstract record available.
Inventors
- 👤 John H Culling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:07
CPC Classifications
F; F27; F27D; F27D5/00; F23; F23H; F23H17/00; F23H17/12; F27B; F27B21/00; F27B21/06; F27D3/00; F27D3/12; F27D2003/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US24316A
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US111031A
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US311633A
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US663365A
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US1913010A
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GB347461A
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US2278316A
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US2278317A
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US2258280A
Cited
US2700849A
Cited
GB753570A
Cited
US2708107A
Cited
US2835485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |