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US3129613A
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Reciprocating feed device for machine tools
Assignee: BURGMASTER CORP
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Filing: 1961-09-01
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Granted: 1964-04-21
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Expires: 1981-09-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Burg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:18
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/003; Y; Y10; Y10T; Y10T408/00; Y10T408/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |