US3498501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing control system
Assignee: Tokheim Corp
•
Filing: 1968-03-01
•
Granted: 1970-03-03
•
Expires: 1988-03-01
Abstract
No abstract record available.
Inventors
- 👤 Elmer A Robbins
- 👤 Roger C Bruot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:16
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/08; B67D7/22; B67D7/221; B67D7/222; B67D7/24; B67D7/243; B67D7/246; F; F16; F16K; F16K31/00; F16K31/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2540617A
Cited
US3027048A
Cited
US3100062A
Cited
US3220606A
Cited
US3236415A
Cited
US3353710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |