US2463493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas dispensing device
Assignee: Bastian Blessing Co
•
Filing: 1944-08-24
•
Granted: 1949-03-01
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Expires: 1964-08-24
Abstract
No abstract record available.
Inventors
- 👤 Harold L Norway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:09
CPC Classifications
F; F17; F17C; F17C7/00; F17C7/02; F17C7/04; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6184; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/7793; Y10T137/7795; Y10T137/7822; Y10T137/783; Y10T137/7831; Y10T137/8593; Y10T137/87917; Y10T137/88046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1752167A
Cited
US2245485A
Cited
US2219897A
Cited
US2339134A
Cited
US2217582A
Cited
US2271278A
Cited
US2405846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |