US2884287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support arrangement
Assignee: CEMENTFABRIK HOLDERBANK-WILDEGG AG Firma
•
Filing: 1957-02-25
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Granted: 1959-04-28
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Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 Sommer Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:37
CPC Classifications
F; F16; F16C; F16C13/00; F16C13/02; F16C13/04; F16C23/00; F16C23/06; F16C23/08; F16C19/00; F16C19/50; F16C19/507; F16C41/00; F16C41/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |