US2908145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for dispensing gas material
Assignee: Union Carbide Corp
•
Filing: 1957-03-25
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Granted: 1959-10-13
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Expires: 1977-03-25
Abstract
No abstract record available.
Inventors
- 👤 Haumann Wilfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:06
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/03; F17C2201/032; F17C2205/00; F17C2205/01; F17C2205/0153; F17C2205/018; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0335; F17C2221/00; F17C2221/01; F17C2221/011; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2227/00; F17C2227/01; F17C2227/0107; F17C2227/0121; F17C2227/03; F17C2227/0302; F17C2227/0367; F17C2227/0369; F17C2227/0376; F17C2227/0381; F17C2227/0388; F17C2227/0393; F17C2250/00; F17C2250/03; F17C2250/032
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US576985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |