Patent US2561999A successfully refreshed from Google Patents.
US2561999A
Expired / Lapsed
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Method of making linings for jordan engines
Assignee: John W Bolton and Sons Inc
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Filing: 1946-03-04
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Granted: 1951-07-24
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Expires: 1966-03-04
Abstract
No abstract record available.
Inventors
- 👤 Harold D Stuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:56
CPC Classifications
B; B02; B02C; B02C2/00; B02C2/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49883
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190815862A
Cited
GB156675A
Cited
US1947644A
Cited
US1963787A
Cited
US2161848A
Cited
US2212082A
Cited
US2336039A
Cited
US2376653A
Cited
US2398073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |