Patent US4265768A successfully refreshed from Google Patents.
US1852832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spacing pad
Assignee: SUPERIOR PAPER PRODUCTS Co
•
Filing: 1930-06-12
•
Granted: 1932-04-05
•
Expires: 1950-06-12
Abstract
No abstract record available.
Inventors
- 👤 George B Beaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:34
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/02; B65D81/05; B65D81/053; B65D81/054; B65D81/055; B65D85/00; B65D85/64; B65D2581/00; B65D2581/02; B65D2581/05; B65D2581/051; B65D2581/052; B65D2581/053; B65D2585/00; B65D2585/64; B65D2585/641; B65D2585/649; B65D2585/68; B65D2585/6802; B65D2585/6815
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) | 1935-04-05 | 1935-10-05 | 1936-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-04-05 | 1939-10-05 | 1940-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-04-05 | 1943-10-05 | 1944-04-05 | $7700.00 | Window Closed / Lapsed |