US2883855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease testing machine
Assignee: Individual
•
Filing: 1954-07-19
•
Granted: 1959-04-28
•
Expires: 1974-07-19
Abstract
No abstract record available.
Inventors
- 👤 Spengler Gunter
- 👤 Lohmann Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:17
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/26; G01N33/28; G01N33/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US745997A
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US1117187A
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US1490603A
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US1990771A
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US2045555A
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US2033588A
Cited
US2177293A
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US2296657A
Cited
US2370606A
Cited
US2519378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |