US2601767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self righting cup
Assignee: Individual
•
Filing: 1946-04-22
•
Granted: 1952-07-01
•
Expires: 1966-04-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:51
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/22; A47G19/2205; A47G19/2266; A47G19/2272; A47G19/2261; A47G2019/2294
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US225785A
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US566563A
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US577090A
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US679610A
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US901762A
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US1254251A
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FR664742A
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US2012113A
Cited
US2093133A
Cited
US2358600A
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US2437784A
Cited
US2414697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |