US2915863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for handling and filling envelopes
Assignee: Individual
•
Filing: 1954-11-15
•
Granted: 1959-12-08
•
Expires: 1974-11-15
Abstract
No abstract record available.
Inventors
- 👤 Ernst W Kummer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:20
CPC Classifications
B; B43; B43M; B43M3/00; B43M3/04; B43M3/045
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1543842A
Cited
US1854221A
Cited
US1838704A
Cited
US2019211A
Cited
US2318073A
Cited
US2190414A
Cited
US2214265A
Cited
US2352802A
Cited
US2569219A
Cited
US2628465A
Cited
US2706115A
Cited
US2728178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |