US2767656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Canister loading using stacked cylinders
Assignee: Individual
•
Filing: 1951-08-22
•
Granted: 1956-10-23
•
Expires: 1971-08-22
Abstract
No abstract record available.
Inventors
- 👤 Richard J Zeamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:09
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/02; F42B5/03; F42B12/00; F42B12/02; F42B12/36; F42B12/56; F42B12/58; F42B12/62; F42B12/64
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US15369A
Cited
US395897A
Cited
US487028A
Cited
US553062A
Cited
US996403A
Cited
US1203649A
Cited
US1299013A
Cited
GB130373A
Cited
US1297216A
Cited
US2529504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |