US3448497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic fixture casting apparatus with molds forming separate sections of said fixture and means mating said sections
Assignee: Trane US Inc
•
Filing: 1964-04-22
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Granted: 1969-06-10
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Expires: 1984-04-22
Abstract
No abstract record available.
Inventors
- 👤 Alanson J Arnold
- 👤 Elmer L Mckeough
- 👤 William M Ripple
- 👤 Paul W Schoeffler
- 👤 Herbert J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:39
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/26; B28B1/267; B28B1/002
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) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |