US2594018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1950-07-12
•
Granted: 1952-04-22
•
Expires: 1970-07-12
Abstract
No abstract record available.
Inventors
- 👤 Hillesheim Philip Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:29
CPC Classifications
B; B64; B64D; B64D17/00; B64D17/22; B64D17/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB482670A
Cited
US909782A
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US1438312A
Cited
US1958000A
Cited
US2157505A
Cited
FR860121A
Cited
GB532656A
Cited
US2393072A
Cited
US2447921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |