US3130468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brick machine die changing device
Assignee: JOHNSON CITY FOUNDRY AND MACHINE WORKS Inc
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Filing: 1961-09-21
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Granted: 1964-04-28
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Expires: 1981-09-21
Abstract
No abstract record available.
Inventors
- 👤 Charles R Mcfall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:22
CPC Classifications
B; B28; B28B; B28B17/00; B28B17/009; B28B3/00; B28B3/20; B28B3/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |