US3012694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas dispensing device
Assignee: Individual
•
Filing: 1958-10-22
•
Granted: 1961-12-12
•
Expires: 1978-10-22
Abstract
No abstract record available.
Inventors
- 👤 Johnston William Derrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:34
CPC Classifications
A; A62; A62C; A62C99/00; A62C99/0009; A62C99/0018; A62C99/0027; A61; A61M; A61M15/00; A61M15/0028; A61M15/003; A61M15/0031; A61M16/00; A61M16/10; A61M16/12; A61M16/122; A61M16/125; A61M16/127; A61M11/00; A61M11/06; A61M2202/00; A61M2202/02; A61M2202/0208; A61M2205/00; A61M2205/82; A61M2205/8218; A61M2205/8225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US230244A
Cited
US733026A
Cited
US805474A
Cited
US1879382A
Cited
GB363235A
Cited
US2496160A
Cited
US2428425A
Cited
US2812783A
Cited
US2860634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |