Patent US2839684A successfully refreshed from Google Patents.
Patent US2749640A successfully refreshed from Google Patents.
US2749640A
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Thermoplastic design article
Assignee: Individual
•
Filing: 1953-07-01
•
Granted: 1956-06-12
•
Expires: 1973-07-01
Abstract
No abstract record available.
Inventors
- 👤 Elmer P Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:20
CPC Classifications
B; B44; B44C; B44C3/00; B44C3/08; B44C3/082; Y; Y10; Y10S; Y10S428/00; Y10S428/914; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1054; Y10T156/1089; Y10T156/1092; Y10T156/1093; Y10T428/00; Y10T428/15; Y10T428/24; Y10T428/24752; Y10T428/24802
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1834079A
Cited
US1978048A
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US2304787A
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US2485323A
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US2470493A
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US2482981A
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US2478771A
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US2633442A
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US2631646A
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US2710046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |