Patent US2859907A successfully refreshed from Google Patents.
US2859907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Envelope construction
Assignee: M B Mcfarland & Sons
•
Filing: 1956-04-19
•
Granted: 1958-11-11
•
Expires: 1976-04-19
Abstract
No abstract record available.
Inventors
- 👤 Gerald B Mcfarland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:15
CPC Classifications
B; B65; B65D; B65D27/00; B65D27/32; B65D27/38
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1392344A
Cited
US1550750A
Cited
US1800143A
Cited
US1990760A
Cited
US2191704A
Cited
US2142194A
Cited
GB510989A
Cited
US2310371A
Cited
US2699286A
Cited
US2774531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |