US2621908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid dispensing installations
Assignee: WALLS
•
Filing: 1947-11-05
•
Granted: 1952-12-16
•
Expires: 1967-11-05
Abstract
No abstract record available.
Inventors
- 👤 Young George
- 👤 Laing David Tosh
- 👤 Walls John Hay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:03
CPC Classifications
B; B67; B67D; B67D3/00; B67D3/04; B67D3/047; Y; Y10; Y10S; Y10S261/00; Y10S261/22; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87587; Y10T137/87595; Y10T137/87676; Y10T137/87684; Y10T137/87692
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |