US3442372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shipping structure
Assignee: EIDP Inc
•
Filing: 1967-09-19
•
Granted: 1969-05-06
•
Expires: 1987-09-19
Abstract
No abstract record available.
Inventors
- 👤 Keith S Carmichael
- 👤 Eugene P Di Giacomo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:40
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/02; B65D77/00; B65D77/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB200091A
Cited
US3202278A
Cited
US3151741A
Cited
US3273302A
Cited
US3217868A
Cited
US3246745A
Cited
US3253708A
Cited
US3261456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |