US3501082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel interlocking means
Assignee: Mead Corp
•
Filing: 1968-09-18
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Granted: 1970-03-17
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Expires: 1988-09-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Lock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:44
CPC Classifications
B; B65; B65D; B65D71/00; B65D71/06; B65D71/12; B65D71/14; B65D71/16; B65D71/24; B65D71/26; B65D71/28; B65D71/32; B65D2571/00; B65D2571/00123; B65D2571/00129; B65D2571/00135; B65D2571/00154; B65D2571/0016; B65D2571/00246; B65D2571/00253; B65D2571/0029; B65D2571/00333; B65D2571/00339; B65D2571/00432; B65D2571/00438; B65D2571/00444; B65D2571/00555; B65D2571/00561; B65D2571/00648; B65D2571/00654; B65D2571/0066; B65D2571/00709; B65D2571/00716
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) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |