Patent US2755026A successfully refreshed from Google Patents.
US2755026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
•
Granted: 1956-07-17
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Expires: 1973-07-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:30
CPC Classifications
B; B02; B02C; B02C23/00; B02C13/00; B02C13/02; B02C13/06; B02C13/09; B02C13/14; B02C13/18; B02C13/1807; B02C13/1835; B02C13/20; B02C13/26; B02C13/286
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2657864A
Cited
US2226330A
Cited
US2287799A
Cited
US2350015A
Cited
US2468321A
Cited
US2505674A
Cited
US2535179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |