US2844826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure device
Assignee: Individual
•
Filing: 1954-08-03
•
Granted: 1958-07-29
•
Expires: 1974-08-03
Abstract
No abstract record available.
Inventors
- 👤 Samuel S Cheiten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:48
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/30; E03C1/304; E03C1/308
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US188850A
Cited
US219428A
Cited
US646455A
Cited
US646668A
Cited
US1644436A
Cited
US1575697A
Cited
DE451902C
Cited
US1925984A
Cited
US2042372A
Cited
US2066773A
Cited
US2188960A
Cited
US2496525A
Cited
US2463458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |