Patent US2946111A successfully refreshed from Google Patents.
US2946111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible core form
Assignee: THOMAS STEEL FORMS Inc
•
Filing: 1958-01-27
•
Granted: 1960-07-26
•
Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Jr John G Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:17
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/28; B28B7/30; E; E04; E04G; E04G11/00; E04G11/02; Y; Y10; Y10S; Y10S269/00; Y10S269/901
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2733495A
Cited
DE226604C
Cited
US887814A
Cited
US1016284A
Cited
US1060188A
Cited
US1096047A
Cited
US1233567A
Cited
US1249942A
Cited
US1242092A
Cited
US1925221A
Cited
US2306722A
Cited
US2578310A
Cited
US2827683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |