Patent US5271015A successfully refreshed from Google Patents.
US1492230A
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US
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Assignee: EW Bliss Co Inc
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Filing: 1922-08-21
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Granted: 1924-04-29
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Expires: 1942-08-21
Abstract
No abstract record available.
Inventors
- 👤 Walter M Towne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:09
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/01; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12236; Y10T428/12243
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) | 1927-04-29 | 1927-10-29 | 1928-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-04-29 | 1931-10-29 | 1932-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-04-29 | 1935-10-29 | 1936-04-29 | $7700.00 | Window Closed / Lapsed |