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US1554336A
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Metal article
Assignee: ROY H SMITH
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Filing: 1920-04-17
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Granted: 1925-09-22
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Expires: 1940-04-17
Abstract
No abstract record available.
Inventors
- 👤 Lapotterie Otto H De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:38
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/44; B21K1/46; Y; Y10; Y10S; Y10S148/00; Y10S148/902; Y10S411/00; Y10S411/914; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12271; Y10T428/12285; Y10T428/12382
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) | 1928-09-21 | 1929-03-23 | 1929-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-09-21 | 1933-03-23 | 1933-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-09-21 | 1937-03-23 | 1937-09-22 | $7700.00 | Window Closed / Lapsed |