Patent US3542004A successfully refreshed from Google Patents.
US3542004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recycle apparatus
Assignee: Individual
•
Filing: 1968-08-09
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Granted: 1970-11-24
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Expires: 1988-08-09
Abstract
No abstract record available.
Inventors
- 👤 George W Cornelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:47
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02M; F02M26/00; F02M26/52; F02M26/55; F02M26/56; F02M26/58; F02M26/65; F02M26/66; F02M26/68; F02M26/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |