US3034266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallographic polishing
Assignee: Individual
•
Filing: 1958-10-03
•
Granted: 1962-05-15
•
Expires: 1978-10-03
Abstract
No abstract record available.
Inventors
- 👤 Grubb Kjeld Tue
- 👤 Grubb Bendt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:35
CPC Classifications
B; B24; B24B; B24B1/00; B24D; B24D11/00; B24D11/001; B24D11/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US115293A
Cited
US2403821A
Cited
US2734289A
Cited
US1227622A
Cited
US1332896A
Cited
US1873503A
Cited
US2237344A
Cited
US2468853A
Cited
US2598090A
Cited
US2714571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |