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US3016884A
Expired / Lapsed
US
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Fluid expansion unit
Assignee: Individual
•
Filing: 1958-10-31
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Granted: 1962-01-16
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Expires: 1978-10-31
Abstract
No abstract record available.
Inventors
- 👤 Henry H Merriman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:46
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE131864C
Cited
US401950A
Cited
US1928368A
Cited
DE546884C
Cited
CH222183A
Cited
DE735346C
Cited
US2428619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |