Patent US3470729A successfully refreshed from Google Patents.
US3470729A
Expired / Lapsed
US
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Broaching tool
Assignee: Honeywell International Inc
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Filing: 1966-09-22
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Granted: 1969-10-07
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Expires: 1986-09-22
Abstract
No abstract record available.
Inventors
- 👤 Jerry Frank Andrs
- 👤 Kermit Elledge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:21
CPC Classifications
B; B24; B24B; B24B39/00; B24B39/02; D; D01; D01D; D01D4/00; D01D4/02; D01D4/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US423544A
Cited
US1318538A
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US1441503A
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US1610870A
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US1485652A
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US1938424A
Cited
US2345443A
Cited
US2972274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |