US2834156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting machine
Assignee: PPG Industries Inc
•
Filing: 1955-11-14
•
Granted: 1958-05-13
•
Expires: 1975-11-14
Abstract
No abstract record available.
Inventors
- 👤 William C Oberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:23
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/02; C03B33/023; C03B33/037; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/325; Y10T225/371; Y10T83/00; Y10T83/465; Y10T83/4653; Y10T83/4685; Y10T83/4688; Y10T83/4757
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1453856A
Cited
US1965110A
Cited
US2058663A
Cited
US2177607A
Cited
US2641042A
Cited
GB690606A
Cited
US2689610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |