US2755115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft coupling
Assignee: Individual
•
Filing: 1950-05-17
•
Granted: 1956-07-17
•
Expires: 1970-05-17
Abstract
No abstract record available.
Inventors
- 👤 Karl J Kollmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:08
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/10; F16D1/108; F16D1/112; F16D1/02; Y; Y10; Y10T; Y10T403/00; Y10T403/36; Y10T403/364; Y10T403/57; Y10T403/5761; Y10T403/5766; Y10T403/5773
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US694514A
Cited
US1250509A
Cited
US1502528A
Cited
US1805014A
Cited
US1787831A
Cited
US1784683A
Cited
US1834425A
Cited
US2091378A
Cited
US2521172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |