US3430767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chip removing assembly
Assignee: HAROLD L LAWALIN
•
Filing: 1965-10-08
•
Granted: 1969-03-04
•
Expires: 1985-10-08
Abstract
No abstract record available.
Inventors
- 👤 Harold L Lawalin
- 👤 Kenneth Skirvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:15
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/0042; Y; Y02; Y02P; Y02P70/00; Y02P70/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE98315C
Cited
US535216A
Cited
CA701521A
Cited
US893177A
Cited
US1454710A
Cited
US2215607A
Cited
US2765916A
Cited
US2808157A
Cited
US2909285A
Cited
US3091339A
Cited
US3227108A
Cited
US3233564A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |