US2646824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boss for dobby jacks
Assignee: H F LIVERMORE CORP
•
Filing: 1951-07-18
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Granted: 1953-07-28
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Expires: 1971-07-18
Abstract
No abstract record available.
Inventors
- 👤 Emil C Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:56
CPC Classifications
D; D03; D03C; D03C1/00; D03C1/06; D03C2700/00; D03C2700/01; D03C2700/0127; D03C2700/0133; D03C2700/0138; D03C2700/0155; D03C2700/0172; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49638; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49853; Y10T29/49856; Y10T29/4986; Y10T29/49885; Y10T29/49908; Y10T29/49915; Y10T29/49972
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1568943A
Cited
US1841923A
Cited
GB536704A
Cited
US2368007A
Cited
GB597797A
Cited
US2540319A
Cited
US2497224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |