Patent US1472518A successfully refreshed from Google Patents.
US1472518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hew yoek
Assignee: —
•
Filing: —
•
Granted: 1923-10-30
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Expires: 1940-10-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:00
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/08; B21C37/09; F; F16; F16L; F16L13/00; F16L13/004; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/49881
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) | 1926-10-29 | 1927-04-30 | 1927-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-10-29 | 1931-04-30 | 1931-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-10-29 | 1935-04-30 | 1935-10-30 | $7700.00 | Window Closed / Lapsed |