US2087315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time stamp and numbering machine
Assignee: International Business Machines Corp
•
Filing: 1935-03-20
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Granted: 1937-07-20
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Expires: 1955-03-20
Abstract
No abstract record available.
Inventors
- 👤 Vernon M Bugg
- 👤 John F Milligan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:16
CPC Classifications
G; G07; G07C; G07C1/00; G07C1/02; G07C1/04; G07C1/06
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) | 1940-07-19 | 1941-01-18 | 1941-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-07-19 | 1945-01-18 | 1945-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-07-19 | 1949-01-18 | 1949-07-20 | $7700.00 | Window Closed / Lapsed |