US2238034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing composite thermostatic metal
Assignee: Metals and Controls Corp
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Filing: 1938-08-27
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Granted: 1941-04-15
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Expires: 1958-08-27
Abstract
No abstract record available.
Inventors
- 👤 Paul G Chace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:01
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/04; B23K20/00; B23K20/22; B23K20/227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-04-14 | 1944-10-14 | 1945-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-04-14 | 1948-10-14 | 1949-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-04-14 | 1952-10-14 | 1953-04-15 | $7700.00 | Window Closed / Lapsed |