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US2980241A
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US
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Box
Assignee: F M Howell and Co
•
Filing: 1958-02-05
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Granted: 1961-04-18
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Expires: 1978-02-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Chester E Howell
- 👤 Jr Harwood S Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:47
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/50; B65D5/5028; B65D5/5035; B65D5/504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735606A
Cited
US1690109A
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US2398155A
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US2645353A
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US2652921A
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US2743050A
Cited
US2770410A
Cited
US2827219A
Cited
US2846133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |