US1216689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed mechanism for drilling-machines.
Assignee: CINCINNATI PULLEY MACHINERY Co
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Filing: 1914-07-13
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Granted: 1917-02-20
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Expires: 1934-07-13
Abstract
No abstract record available.
Inventors
- 👤 John G Hey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:47
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/32; Y; Y10; Y10T; Y10T408/00; Y10T408/65; Y10T408/675; Y10T408/6771; Y10T408/6776; Y10T408/6779; Y10T408/91; Y10T408/92
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) | 1920-02-20 | 1920-08-21 | 1921-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-02-20 | 1924-08-21 | 1925-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-02-20 | 1928-08-21 | 1929-02-20 | $7700.00 | Window Closed / Lapsed |