US3403840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Opening device for packages wrapped with shrinkable plastic films
Assignee: Procter and Gamble Co
•
Filing: 1965-11-03
•
Granted: 1968-10-01
•
Expires: 1985-11-03
Abstract
No abstract record available.
Inventors
- 👤 Mathes Howard Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:41
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/58; B65D75/5827; B65D75/5833; B65D75/5844; B65D75/66; B65D75/04; B65D75/06; B65D75/08; Y; Y10; Y10S; Y10S383/00; Y10S383/908; Y10S493/00; Y10S493/916; Y10S493/917; Y10S493/923
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB458375A
Cited
US2833404A
Cited
US2973087A
Cited
US3175752A
Cited
US3261538A
Cited
US3273302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |