US2979798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder generating machine and method of generation
Assignee: Individual
•
Filing: 1957-09-16
•
Granted: 1961-04-18
•
Expires: 1977-09-16
Abstract
No abstract record available.
Inventors
- 👤 James H Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:52
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA486586A
Cited
US1134202A
Cited
US1297082A
Cited
US1510117A
Cited
GB174662A
Cited
US2605533A
Cited
US2877530A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |