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US2642191A
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Assignee: Individual
•
Filing: 1951-01-29
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Granted: 1953-06-16
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Expires: 1971-01-29
Abstract
No abstract record available.
Inventors
- 👤 Hobson Lawrence Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:16
CPC Classifications
A; A47; A47G; A47G29/00; A47G29/08; A47J; A47J47/00; A47J47/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US237821A
Cited
US263685A
Cited
US578913A
Cited
US718976A
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US2196118A
Cited
US2400058A
Cited
US2524617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |