US2828756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional tent
Assignee: HAROLD SMITH J
•
Filing: 1955-10-21
•
Granted: 1958-04-01
•
Expires: 1975-10-21
Abstract
No abstract record available.
Inventors
- 👤 Carter A Worley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:17
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/18; E04H15/32; E04H15/64; E04H15/642; E04H15/644
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1061547A
Cited
US1648724A
Cited
US1744146A
Cited
US2008176A
Cited
US2225972A
Cited
US2670818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |