US1491764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas cylinder
Assignee: William Wharton Jr & Co I
•
Filing: 1922-08-26
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Granted: 1924-04-22
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Expires: 1942-08-26
Abstract
No abstract record available.
Inventors
- 👤 Charles L Gulick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:43
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/06; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0308; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8326; Y10T137/8593; Y10T137/86187; Y10T137/86196
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1927-04-22 | 1927-10-22 | 1928-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-04-22 | 1931-10-22 | 1932-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-04-22 | 1935-10-22 | 1936-04-22 | $7700.00 | Window Closed / Lapsed |