US2622786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siftproof automatic bag and method of making
Assignee: BENJ C BETNER Co
•
Filing: 1949-02-08
•
Granted: 1952-12-23
•
Expires: 1969-02-08
Abstract
No abstract record available.
Inventors
- 👤 William J Mcdowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:52
CPC Classifications
B; B65; B65D; B65D31/00; B31; B31B; B31B2150/00; B31B2150/001; B31B2160/00; B31B2160/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2062265A
Cited
US2197112A
Cited
US2237327A
Cited
US2353402A
Cited
US2377005A
Cited
US2359190A
Cited
US2396565A
Cited
US2420212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |