Patent US2729267A successfully refreshed from Google Patents.
US2729267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine and method for making edge embossed paper article and product thereof
Assignee: Hoffmaster Co Inc
•
Filing: 1952-07-16
•
Granted: 1956-01-03
•
Expires: 1972-07-16
Abstract
No abstract record available.
Inventors
- 👤 William M Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:03
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/07; B31F2201/00; B31F2201/07; B31F2201/0707; B31F2201/0715; B31F2201/0723; B31F2201/0733; B31F2201/0782; B31F2201/0784; B31F2201/0792; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49936; Y10T428/00; Y10T428/24; Y10T428/24777
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US690822A
Cited
US1902032A
Cited
US1929924A
Cited
US1939081A
Cited
US2020668A
Cited
US2181435A
Cited
US2639660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |