US2810171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Can holder
Assignee: Individual
•
Filing: 1953-03-03
•
Granted: 1957-10-22
•
Expires: 1973-03-03
Abstract
No abstract record available.
Inventors
- 👤 William H Brooks
- 👤 Kenneth H Norberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:43
CPC Classifications
B; B65; B65D; B65D67/00; B65D67/02; Y; Y10; Y10T; Y10T24/00; Y10T24/29; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US603455A
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US1200849A
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US1161237A
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US1302662A
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US1567387A
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US2171350A
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GB506185A
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US2384112A
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US2440902A
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US2524922A
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US2646911A
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US2637475A
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US2702641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |