Patent US4840724A successfully refreshed from Google Patents.
US3480201A
Expired / Lapsed
US
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Package system for compressing gases
Assignee: Studebaker Worthington Inc
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Filing: 1967-12-29
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Granted: 1969-11-25
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Expires: 1987-12-29
Abstract
No abstract record available.
Inventors
- 👤 Harold W Whiting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:47
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/06; F04B41/00; F04B41/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA574306A
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CA668797A
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US810670A
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US1430679A
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US1435570A
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US2174318A
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US3001692A
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US3053516A
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US3008693A
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US3237684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |