US2137806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for forming hollow articles electrolytically
Assignee: Individual
•
Filing: 1937-02-03
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Granted: 1938-11-22
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Expires: 1957-02-03
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Paige
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:09
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/02; H; H10; H10P; H10P30/00; H10P30/20; H10P30/202; H10P30/206; H10P30/21; H10P30/212
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) | 1941-11-21 | 1942-05-23 | 1942-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-21 | 1946-05-23 | 1946-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-21 | 1950-05-23 | 1950-11-22 | $7700.00 | Window Closed / Lapsed |