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US2484916A
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Assignee: HPM Development Corp
•
Filing: 1944-04-14
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Granted: 1949-10-18
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Expires: 1964-04-14
Abstract
No abstract record available.
Inventors
- 👤 Warren R Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:12
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/0416; F15B13/0417; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/265; Y10T137/2657; Y10T137/266; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7785; Y10T137/7793; Y10T137/8158; Y10T137/8175; Y10T137/8593; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1010811A
Cited
US1397867A
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US1467522A
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US1640842A
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US2306379A
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US1982711A
Cited
US2000553A
Cited
US2157707A
Cited
GB498199A
Cited
US2259636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |