US3427801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cast chains
Assignee: Indiana General Corp
•
Filing: 1964-08-11
•
Granted: 1969-02-18
•
Expires: 1984-08-11
Abstract
No abstract record available.
Inventors
- 👤 Charles D Mcleish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:26
CPC Classifications
B; B21; B21L; B21L3/00; B22; B22D; B22D25/00; B22D25/02; B22D25/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US354732A
Cited
US1670758A
Cited
US2820874A
Cited
US3015716A
Cited
US3176357A
Cited
US3135504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |