US2963307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Honeycomb seal
Assignee: General Electric Co
•
Filing: 1954-12-28
•
Granted: 1960-12-06
•
Expires: 1974-12-28
Abstract
No abstract record available.
Inventors
- 👤 Bobo Melvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:22
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/44; F16J15/444; F01; F01D; F01D11/00; F01D11/08; F01D11/12; F01D11/127; F05; F05D; F05D2250/00; F05D2250/20; F05D2250/28; F05D2250/283; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR407012A
Cited
US941395A
Cited
US953674A
Cited
US899319A
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US885032A
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US1357739A
Cited
US2044692A
Cited
US2127865A
Cited
DE716553C
Cited
US2573425A
Cited
US2742224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |