Patent US1234501A successfully refreshed from Google Patents.
US1234501A
Expired / Lapsed
US
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Envelop-machine.
Assignee: Individual
•
Filing: 1913-12-26
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Granted: 1917-07-24
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Expires: 1933-12-26
Abstract
No abstract record available.
Inventors
- 👤 George W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:04
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/82; B31B70/826; B31B2150/00; B31B2160/00; B31B2160/10
Claims Analysis
Total Claims: 0
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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) | 1920-07-23 | 1921-01-22 | 1921-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-07-23 | 1925-01-22 | 1925-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-07-23 | 1929-01-22 | 1929-07-24 | $7700.00 | Window Closed / Lapsed |