Patent US2736048A successfully refreshed from Google Patents.
US2736048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
gregoire
Assignee: —
•
Filing: —
•
Granted: 1956-02-28
•
Expires: 1973-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:45
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/02; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/24; A61C17/26; B; B29; B29L; B29L2031/00; B29L2031/42; B29L2031/425; Y; Y10; Y10T; Y10T403/00; Y10T403/60; Y10T403/602; Y10T403/604
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1922238A
Cited
US2140307A
Cited
US2124145A
Cited
GB452961A
Cited
US2093007A
Cited
US2275247A
Cited
US2279982A
Cited
US2317314A
Cited
US2278095A
Cited
US2474360A
Cited
US2655676A
Cited
FR987083A
Cited
US2672634A
Cited
US2598275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |