US3376872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record jacket
Assignee: PHILIP F DURHAM
•
Filing: 1966-05-20
•
Granted: 1968-04-09
•
Expires: 1986-05-20
Abstract
No abstract record available.
Inventors
- 👤 Philip F Durham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:14
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/54; B65D85/544; B65D85/548; B65D85/546
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1177886A
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US1765146A
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US2329055A
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US2333798A
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US2330666A
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GB654515A
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US2728450A
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US2954119A
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US3070280A
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US3162355A
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GB1020859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |