US2719738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submersible shaft sealing apparatus
Assignee: US Electrical Motors Inc
•
Filing: 1949-07-01
•
Granted: 1955-10-04
•
Expires: 1969-07-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:56
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/132
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1363378A
Cited
US1850571A
Cited
DE484628C
Cited
US1845363A
Cited
FR664854A
Cited
US1989548A
Cited
US2057381A
Cited
US2035073A
Cited
US2381615A
Cited
US2354874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-03 | 1959-04-04 | 1959-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-03 | 1963-04-04 | 1963-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-03 | 1967-04-04 | 1967-10-04 | $7700.00 | Window Closed / Lapsed |