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US2476172A
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Assignee: Diversified Designing & Machin
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Filing: 1946-10-15
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Granted: 1949-07-12
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Expires: 1966-10-15
Abstract
No abstract record available.
Inventors
- 👤 Eugene D Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:57
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1809237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |