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US2872867A
Expired / Lapsed
US
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Ordnance construction
Assignee: Individual
•
Filing: 1944-05-31
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Granted: 1959-02-10
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Expires: 1964-05-31
Abstract
No abstract record available.
Inventors
- 👤 Robert D Huntoon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:39
CPC Classifications
F; F42; F42C; F42C13/00; F42C13/04; F42C15/00; F42C15/28; F42C15/295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE304254C
Cited
DE280947C
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GB191201089A
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US1283075A
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US1226732A
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US2223982A
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US2230261A
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GB550716A
Cited
US2403567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |