Patent US3416209A successfully refreshed from Google Patents.
US3416209A
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US
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Cutting tool
Assignee: Carboloy Inc
•
Filing: 1966-03-24
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Granted: 1968-12-17
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Expires: 1986-03-24
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Contrucci
- 👤 Walter H Kelm
- 👤 Henry M Schrier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:35
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1614; B23B2200/00; B23B2200/16; B23B2200/161; B23B2200/165; B23B2200/36; B23B2200/3627; B23B2205/00; B23B2205/04; B23B2205/08; B23B2205/16; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/227; Y10T407/2272; Y10T407/2274; Y10T407/2276; Y10T407/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1756516A
Cited
US2688791A
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US2891300A
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US3060554A
Cited
US3097417A
Cited
US3142110A
Cited
US3188717A
Cited
US3226797A
Cited
US3187406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |