US2905926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic charging system
Assignee: Individual
•
Filing: 1954-01-28
•
Granted: 1959-09-22
•
Expires: 1974-01-28
Abstract
No abstract record available.
Inventors
- 👤 Douglas G Aid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:14
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/0042; E; E04; E04H; E04H3/00; E04H3/06; E04H3/08; E05; E05B; E05B49/00; E05B49/002; E05B49/004; G06; G06K; G06K17/00; G06K17/0003; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/342; G07F7/00; G07F7/02; G07F7/025; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5097; Y10T70/554; Y10T70/5544; Y10T70/60; Y10T70/625; Y10T70/70; Y10T70/7441; Y10T70/7768; Y10T70/778; Y10T70/7785; Y10T70/80; Y10T70/8027; Y10T70/8054
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |