Patent DE281802C successfully refreshed from Google Patents.
US2607367A
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US
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Assignee: Specialties Development Corp
•
Filing: 1944-12-21
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Granted: 1952-08-19
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Expires: 1964-12-21
Abstract
No abstract record available.
Inventors
- 👤 Mapes Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:05
CPC Classifications
A; A62; A62C; A62C99/00; A62C99/0009; A62C99/0018; A62C99/0027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US647706A
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US685931A
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FR341998A
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US1014072A
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US1220729A
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US1354965A
Cited
US1396501A
Cited
US1456090A
Cited
US2273856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |