US3171874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sealing lading vehicles
Assignee: Individual
•
Filing: 1961-10-20
•
Granted: 1965-03-02
•
Expires: 1981-10-20
Abstract
No abstract record available.
Inventors
- 👤 Dario S Rolle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:23
CPC Classifications
B; B61; B61D; B61D19/00; B61D19/001; B61D19/002; B61D7/00; B61D7/14; B61D7/16; B61D7/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1550734A
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US1602105A
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US1978125A
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US1935977A
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US2142320A
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US2610138A
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US2680899A
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US2850421A
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US3034732A
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US2929436A
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US3096225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |