Patent US4643560A successfully refreshed from Google Patents.
Patent US2928121A successfully refreshed from Google Patents.
Patent US4013358A successfully refreshed from Google Patents.
Patent US2268666A successfully refreshed from Google Patents.
Patent US4348996A successfully refreshed from Google Patents.
Patent US1470587A successfully refreshed from Google Patents.
US1470587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing for turbine shafts and the like
Assignee: Individual
•
Filing: 1919-06-19
•
Granted: 1923-10-09
•
Expires: 1939-06-19
Abstract
No abstract record available.
Inventors
- 👤 Walter F Somes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:50
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/003
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1926-10-08 | 1927-04-09 | 1927-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-10-08 | 1931-04-09 | 1931-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-10-08 | 1935-04-09 | 1935-10-09 | $7700.00 | Window Closed / Lapsed |