US2970533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trash basket
Assignee: Individual
•
Filing: 1958-11-06
•
Granted: 1961-02-07
•
Expires: 1978-11-06
Abstract
No abstract record available.
Inventors
- 👤 Steve R Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:41
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/305; B30B9/3053; B65; B65F; B65F1/00; B65F1/14; B65F1/1405; Y; Y10; Y10S; Y10S100/00; Y10S100/914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US86215A
Cited
US214828A
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US236318A
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US340907A
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US960028A
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US1480895A
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US1671832A
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US2465839A
Cited
US2505453A
Cited
US2654309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |