US2881904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless power-transmitting belt of flexible material
Assignee: FRIEDRICH K H STUEBBE
•
Filing: 1956-01-24
•
Granted: 1959-04-14
•
Expires: 1976-01-24
Abstract
No abstract record available.
Inventors
- 👤 Hoerth Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:07
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/30; B65G17/38; B65G17/385; F; F16; F16G; F16G1/00; F16G1/28; B65G2201/00; B65G2201/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US406436A
Cited
US680159A
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GB107805A
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DE457245C
Cited
GB289043A
Cited
US2061838A
Cited
US2189049A
Cited
US2358534A
Cited
US2338550A
Cited
US2554372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |