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Patent US2437784A successfully refreshed from Google Patents.
US2437784A
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Nonspillable cup
Assignee: LOUIS J LASKIN
•
Filing: 1944-09-04
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Granted: 1948-03-16
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Expires: 1964-09-04
Abstract
No abstract record available.
Inventors
- 👤 Louis J Laskin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:09
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/22; A47G19/2205; A47G19/2266; A47G19/2272
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US610049A
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US659150A
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US729583A
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US870556A
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US908706A
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US1141609A
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US1254251A
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US1509734A
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US2003657A
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US2358600A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-16 | 1951-09-15 | 1952-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-16 | 1955-09-15 | 1956-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-16 | 1959-09-15 | 1960-03-16 | $7700.00 | Window Closed / Lapsed |