US1615137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding mechanism
Assignee: AT&T Inc
•
Filing: 1924-04-18
•
Granted: 1927-01-18
•
Expires: 1944-04-18
Abstract
No abstract record available.
Inventors
- 👤 Ruby Frank John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:06
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/02; B65G47/04; B65G47/12; B65G47/14; B65G47/1407; B65G47/1478; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53478; Y10T409/00; Y10T409/30; Y10T409/306048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-01-17 | 1930-07-19 | 1931-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-01-17 | 1934-07-19 | 1935-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-01-17 | 1938-07-19 | 1939-01-18 | $7700.00 | Window Closed / Lapsed |