US2800099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflated marker
Assignee: Individual
•
Filing: 1952-09-17
•
Granted: 1957-07-23
•
Expires: 1972-09-17
Abstract
No abstract record available.
Inventors
- 👤 Henry E Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:21
CPC Classifications
B; B64; B64D; B64D25/00; B64D25/08; B64D25/20; E; E01; E01F; E01F9/00; E01F9/60; E01F9/623; E01F9/654; E01F9/688
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1833124A
Cited
US1867811A
Cited
US2108370A
Cited
US2237599A
Cited
US2333273A
Cited
US2449935A
Cited
US2561016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |