US2710702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making windowed envelopes
Assignee: Individual
•
Filing: 1951-10-08
•
Granted: 1955-06-14
•
Expires: 1971-10-08
Abstract
No abstract record available.
Inventors
- 👤 Gamble Hedwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:15
CPC Classifications
B; B31; B31B; B31B70/00; B31F; B31F5/00; B31F5/04; B31B2150/00; B31B2160/00; B31B2160/10; B31B70/74; B31B70/81; B31B70/82; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1322; Y10T156/1339; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1776; Y10T156/1778; Y10T156/178
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-13 | 1958-12-13 | 1959-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-13 | 1962-12-13 | 1963-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-13 | 1966-12-13 | 1967-06-14 | $7700.00 | Window Closed / Lapsed |