US3034464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die-set construction
Assignee: Individual
•
Filing: 1958-07-30
•
Granted: 1962-05-15
•
Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 Charles J Hrabal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:21
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49815; Y10T29/49822; Y10T29/53; Y10T29/53796; Y10T29/53848
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1753780A
Cited
US1804935A
Cited
US2299703A
Cited
US2305076A
Cited
US2635338A
Cited
US2684527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |