US2677901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating chaplet
Assignee: Individual
•
Filing: 1950-04-26
•
Granted: 1954-05-11
•
Expires: 1970-04-26
Abstract
No abstract record available.
Inventors
- 👤 Norris P Tilleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:16
CPC Classifications
A; A44; A44C; A44C25/00; A44C25/001; A44C25/002; A44C23/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US475400A
Cited
AT67045B
Cited
US1187353A
Cited
US1454013A
Cited
US1508523A
Cited
US2156553A
Cited
US2420265A
Cited
US2506800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |