US3395915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum stacker apparatus
Assignee: Simpson Timber Co
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Filing: 1967-07-18
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Granted: 1968-08-06
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Expires: 1987-07-18
Abstract
No abstract record available.
Inventors
- 👤 Victor H Clausen
- 👤 Zweig Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:48
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/24; B65H29/241; B65H29/242; B65G; B65G21/00; B65G21/20; B65G21/2027; B65G21/2036; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/421; B65H2301/4212; B65H2301/44; B65H2301/447; B65H2301/4473; B65H2301/44734; B65H2406/00; B65H2406/30; B65H2406/32; B65H2406/323
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3081996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |