Patent US2947053A successfully refreshed from Google Patents.
US2947053A
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US
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Plastic beads
Assignee: Chelton Poppits Ltd
•
Filing: 1957-08-28
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Granted: 1960-08-02
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Expires: 1977-08-28
Abstract
No abstract record available.
Inventors
- 👤 Sanderson William Troutbeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:27
CPC Classifications
A; A44; A44C; A44C11/00; A44C11/002; Y; Y10; Y10S; Y10S59/00; Y10S59/90; Y10S63/00; Y10S63/03; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45775
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE168270C
Cited
US145328A
Cited
US490436A
Cited
CH6851A
Cited
US2278722A
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US2709290A
Cited
US2838820A
Cited
US2714269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |