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US2623271A
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Assignee: GEORGE H SHEPHARD
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Filing: 1950-10-10
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Granted: 1952-12-30
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Expires: 1970-10-10
Abstract
No abstract record available.
Inventors
- 👤 Howard N Girardin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:27
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/04; B23B29/043; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2252; Y10T407/2256; Y10T407/2272; Y10T407/2282; Y10T407/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH145738A
Cited
US2225327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |