US2369563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for filling envelopes
Assignee: Westinghouse Electric Corp
•
Filing: 1943-09-10
•
Granted: 1945-02-13
•
Expires: 1963-09-10
Abstract
No abstract record available.
Inventors
- 👤 Daniel S Gustin
- 👤 Mullan Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:56
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/38; H01J9/395; Y; Y10; Y10S; Y10S53/00; Y10S53/03
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) | 1948-02-13 | 1948-08-14 | 1949-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-02-13 | 1952-08-14 | 1953-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-02-13 | 1956-08-14 | 1957-02-13 | $7700.00 | Window Closed / Lapsed |