US3013689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coaster
Assignee: NANCY REID AND HELEN CHARELLE
•
Filing: 1959-08-04
•
Granted: 1961-12-19
•
Expires: 1979-08-04
Abstract
No abstract record available.
Inventors
- 👤 Shropshire Ralph Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:02
CPC Classifications
A; A47; A47G; A47G23/00; A47G23/03; A47G23/032; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1683205A
Cited
GB347713A
Cited
US1924926A
Cited
US2205687A
Cited
FR1022575A
Cited
US2715089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |