US3037536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure filling apparatus with vacuum level control
Assignee: KARL KIEFER MACHINE Co
•
Filing: 1959-03-06
•
Granted: 1962-06-05
•
Expires: 1979-03-06
Abstract
No abstract record available.
Inventors
- 👤 Paul R Fechheimer
- 👤 Gordon W Jacobs
- 👤 Warren H Harlan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:44
CPC Classifications
B; B65; B65B; B65B3/00; B65B3/26; B67; B67C; B67C3/00; B67C3/02; B67C3/16; B67C3/22; B67C3/26; B67C3/2614; B67C3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2326415A
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US2509756A
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US2660357A
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US2660350A
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US2660358A
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US2930414A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |