US2436561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding machine
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1945-03-22
•
Granted: 1948-02-24
•
Expires: 1965-03-22
Abstract
No abstract record available.
Inventors
- 👤 Carl G Flygare
- 👤 Fleur Elphege D La
- 👤 Herbert A Silven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:28
CPC Classifications
B; B24; B24B; B24B15/00; B24B15/04; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/513
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1017881A
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US1779823A
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US1997551A
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US2003269A
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US2109600A
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US2110931A
Cited
US2113387A
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US2117917A
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US2229312A
Cited
US2260843A
Cited
US2326034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-23 | 1951-08-25 | 1952-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-23 | 1955-08-25 | 1956-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-23 | 1959-08-25 | 1960-02-24 | $7700.00 | Window Closed / Lapsed |