US2969000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chamfering tool
Assignee: Cleaver Brooks Co
•
Filing: 1957-09-24
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Granted: 1961-01-24
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Expires: 1977-09-24
Abstract
No abstract record available.
Inventors
- 👤 Hugo H Grobecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:43
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/545; B23Q1/5456; B23B; B23B51/00; B23B51/10; B23B51/102; B23C; B23C3/00; B23C3/02; B23C3/05; Y; Y10; Y10T; Y10T408/00; Y10T408/91; Y10T409/00; Y10T409/30; Y10T409/304424; Y10T409/306216; Y10T409/306384; Y10T409/30644
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US343769A
Cited
FR539238A
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US2073861A
Cited
US2164741A
Cited
US2439009A
Cited
US2510820A
Cited
US2679061A
Cited
US2674184A
Cited
US2785593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |