US3490643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Van Dorn Co
•
Filing: 1968-01-22
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Granted: 1970-01-20
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Expires: 1988-01-22
Abstract
No abstract record available.
Inventors
- 👤 George J Henning
- 👤 James R Mccluskey
- 👤 George L Plance
- 👤 Joseph Scalia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:21
CPC Classifications
B; B65; B65D; B65D21/00; B65D21/02; B65D17/00; B65D17/28; B65D17/401; B65D17/4011
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |