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Patent US2831647A successfully refreshed from Google Patents.
US2831647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cup holder
Assignee: Individual
•
Filing: 1953-07-31
•
Granted: 1958-04-22
•
Expires: 1973-07-31
Abstract
No abstract record available.
Inventors
- 👤 Kenneth H Mackay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:39
CPC Classifications
A; A47; A47G; A47G23/00; A47G23/02; A47G23/0208; A47G23/0216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1307482A
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USRE18153E
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US712824A
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US1108043A
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US1108432A
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US1215495A
Cited
US1881224A
Cited
GB474498A
Cited
US2122999A
Cited
US2240282A
Cited
US2533738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |