US3568367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass drilling apparatus
Assignee: ACC AUTOMATION Inc
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Filing: 1968-06-10
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Granted: 1971-03-09
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Expires: 1988-06-10
Abstract
Abstract A COMPACT GLASS DRILLING APPARATUS HAVING A HYDRAULIC MOTOR ROTATING A BIT AT A SELECTED SPEED AND DRIVING HYDRAULIC MECHANISM TO RAPIDLY POSITION THE BIT WITH RESPECT TO THE GLASS TO BE DRILLED AND TO SELECTIVELY CONTROL THE RATE OF TRAVEL OF THE BIT THROUGH THE GLASS AND HAVING MECHANISM SEPARATELY FEEDING A FLUID LUBRICANT TO THE BIT.
Inventors
- 👤 Daniel O Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:02
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/02; B28D1/04; B28D1/041; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/375; Y10T408/378; Y10T408/44; Y10T408/45; Y10T408/455
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |