US2831241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broach blade holder
Assignee: WESSON TOOL Co
•
Filing: 1955-08-03
•
Granted: 1958-04-22
•
Expires: 1975-08-03
Abstract
No abstract record available.
Inventors
- 👤 Bader William
- 👤 Jr Robert W Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:25
CPC Classifications
B; B23; B23D; B23D43/00; B23D43/02; B23D43/04; Y; Y10; Y10T; Y10T407/00; Y10T407/16; Y10T407/1628; Y10T407/1657; Y10T407/22; Y10T407/2222; Y10T407/2238; Y10T407/224; Y10T407/2272; Y10T407/2282; Y10T407/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2096472A
Cited
US2330081A
Cited
US2547789A
Cited
US2567167A
Cited
US2664617A
Cited
US2730793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |