Patent US3237433A successfully refreshed from Google Patents.
Patent USRE15364E successfully refreshed from Google Patents.
USRE15364E
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
•
Granted: 1922-05-23
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Expires: 1939-05-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:34
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/02; B21J15/04; B21J15/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49139; Y10T29/4914; Y10T29/49142; Y10T29/49826; Y10T29/49908; Y10T29/49915
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) | 1925-05-22 | 1925-11-21 | 1926-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-05-22 | 1929-11-21 | 1930-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-05-22 | 1933-11-21 | 1934-05-23 | $7700.00 | Window Closed / Lapsed |