US3494253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic strip milling machine
Assignee: ROBERT E TRUITT
•
Filing: 1968-05-31
•
Granted: 1970-02-10
•
Expires: 1988-05-31
Abstract
No abstract record available.
Inventors
- 👤 Stanley R Hood
- 👤 Robert E Truitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:29
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/12; B23C3/28; B23C3/30; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303864; Y10T409/304144; Y10T409/304536; Y10T409/305208; Y10T409/305544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE584084C
Cited
US2327531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |